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Finding the Fourth Proportional to 62,379.42, 93,541.46 and 38,686.01

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Solution

The fourth proportional to 62,379.42, 93,541.46 and 38,686.01 is: 58,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,379.42 : 93,541.46 = 38,686.01 : x
  2. Step 2: Convert to fraction form
    62,379.42/93,541.46 = 38,686.01/x
  3. Step 3: Cross multiply
    62,379.42x = 93,541.46 × 38,686.01
  4. Step 4: Simplify right side
    62,379.42x = 3,618,746,093.90
  5. Step 5: Solve for x
    x = 3,618,746,093.90/62,379.42
  6. Step 6: Final answer
    x = 58,011.85

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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.