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Finding the Fourth Proportional to 69,000.60, 103,500.90 and 56,534.70

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Solution

The fourth proportional to 69,000.60, 103,500.90 and 56,534.70 is: 84,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,000.60 : 103,500.90 = 56,534.70 : x
  2. Step 2: Convert to fraction form
    69,000.60/103,500.90 = 56,534.70/x
  3. Step 3: Cross multiply
    69,000.60x = 103,500.90 × 56,534.70
  4. Step 4: Simplify right side
    69,000.60x = 5,851,392,331.23
  5. Step 5: Solve for x
    x = 5,851,392,331.23/69,000.60
  6. Step 6: Final answer
    x = 84,802.05

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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.