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Finding the Fourth Proportional to 61,957.28, 85,502.72 and 36,465.44

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Solution

The fourth proportional to 61,957.28, 85,502.72 and 36,465.44 is: 50,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,957.28 : 85,502.72 = 36,465.44 : x
  2. Step 2: Convert to fraction form
    61,957.28/85,502.72 = 36,465.44/x
  3. Step 3: Cross multiply
    61,957.28x = 85,502.72 × 36,465.44
  4. Step 4: Simplify right side
    61,957.28x = 3,117,894,306.00
  5. Step 5: Solve for x
    x = 3,117,894,306.00/61,957.28
  6. Step 6: Final answer
    x = 50,323.29

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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.