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Finding the Fourth Proportional to 62,128.88, 85,737.48 and 33,834.32

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Solution

The fourth proportional to 62,128.88, 85,737.48 and 33,834.32 is: 46,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,128.88 : 85,737.48 = 33,834.32 : x
  2. Step 2: Convert to fraction form
    62,128.88/85,737.48 = 33,834.32/x
  3. Step 3: Cross multiply
    62,128.88x = 85,737.48 × 33,834.32
  4. Step 4: Simplify right side
    62,128.88x = 2,900,869,334.31
  5. Step 5: Solve for x
    x = 2,900,869,334.31/62,128.88
  6. Step 6: Final answer
    x = 46,691.16

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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.