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Finding the Fourth Proportional to 15,600.60, 23,400.90 and 6,245.10

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Solution

The fourth proportional to 15,600.60, 23,400.90 and 6,245.10 is: 9,367.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.60 : 23,400.90 = 6,245.10 : x
  2. Step 2: Convert to fraction form
    15,600.60/23,400.90 = 6,245.10/x
  3. Step 3: Cross multiply
    15,600.60x = 23,400.90 × 6,245.10
  4. Step 4: Simplify right side
    15,600.60x = 146,140,960.59
  5. Step 5: Solve for x
    x = 146,140,960.59/15,600.60
  6. Step 6: Final answer
    x = 9,367.65

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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.