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Finding the Fourth Proportional to 66,032.46, 91,123.92 and 37,737.54

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Solution

The fourth proportional to 66,032.46, 91,123.92 and 37,737.54 is: 52,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,032.46 : 91,123.92 = 37,737.54 : x
  2. Step 2: Convert to fraction form
    66,032.46/91,123.92 = 37,737.54/x
  3. Step 3: Cross multiply
    66,032.46x = 91,123.92 × 37,737.54
  4. Step 4: Simplify right side
    66,032.46x = 3,438,792,575.96
  5. Step 5: Solve for x
    x = 3,438,792,575.96/66,032.46
  6. Step 6: Final answer
    x = 52,077.31

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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.