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Finding the Fourth Proportional to 62,007.92, 85,600.32 and 39,664.88

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Solution

The fourth proportional to 62,007.92, 85,600.32 and 39,664.88 is: 54,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,007.92 : 85,600.32 = 39,664.88 : x
  2. Step 2: Convert to fraction form
    62,007.92/85,600.32 = 39,664.88/x
  3. Step 3: Cross multiply
    62,007.92x = 85,600.32 × 39,664.88
  4. Step 4: Simplify right side
    62,007.92x = 3,395,326,420.76
  5. Step 5: Solve for x
    x = 3,395,326,420.76/62,007.92
  6. Step 6: Final answer
    x = 54,756.33

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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.