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Finding the Fourth Proportional to 62,164.48, 85,800.24 and 40,945.60

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Solution

The fourth proportional to 62,164.48, 85,800.24 and 40,945.60 is: 56,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,164.48 : 85,800.24 = 40,945.60 : x
  2. Step 2: Convert to fraction form
    62,164.48/85,800.24 = 40,945.60/x
  3. Step 3: Cross multiply
    62,164.48x = 85,800.24 × 40,945.60
  4. Step 4: Simplify right side
    62,164.48x = 3,513,142,306.94
  5. Step 5: Solve for x
    x = 3,513,142,306.94/62,164.48
  6. Step 6: Final answer
    x = 56,513.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.