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Finding the Fourth Proportional to 62,666.20, 93,921.52 and 31,042.20

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Solution

The fourth proportional to 62,666.20, 93,921.52 and 31,042.20 is: 46,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,666.20 : 93,921.52 = 31,042.20 : x
  2. Step 2: Convert to fraction form
    62,666.20/93,921.52 = 31,042.20/x
  3. Step 3: Cross multiply
    62,666.20x = 93,921.52 × 31,042.20
  4. Step 4: Simplify right side
    62,666.20x = 2,915,530,608.14
  5. Step 5: Solve for x
    x = 2,915,530,608.14/62,666.20
  6. Step 6: Final answer
    x = 46,524.77

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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.