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Finding the Fourth Proportional to 62,397.66, 86,108.74 and 35,542.65

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Solution

The fourth proportional to 62,397.66, 86,108.74 and 35,542.65 is: 49,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,397.66 : 86,108.74 = 35,542.65 : x
  2. Step 2: Convert to fraction form
    62,397.66/86,108.74 = 35,542.65/x
  3. Step 3: Cross multiply
    62,397.66x = 86,108.74 × 35,542.65
  4. Step 4: Simplify right side
    62,397.66x = 3,060,532,807.76
  5. Step 5: Solve for x
    x = 3,060,532,807.76/62,397.66
  6. Step 6: Final answer
    x = 49,048.84

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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.