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Finding the Fourth Proportional to 67,380.60, 101,070.90 and 23,000.70

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Solution

The fourth proportional to 67,380.60, 101,070.90 and 23,000.70 is: 34,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,380.60 : 101,070.90 = 23,000.70 : x
  2. Step 2: Convert to fraction form
    67,380.60/101,070.90 = 23,000.70/x
  3. Step 3: Cross multiply
    67,380.60x = 101,070.90 × 23,000.70
  4. Step 4: Simplify right side
    67,380.60x = 2,324,701,449.63
  5. Step 5: Solve for x
    x = 2,324,701,449.63/67,380.60
  6. Step 6: Final answer
    x = 34,501.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.