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Finding the Fourth Proportional to 62,395.91, 86,106.21 and 34,101.80

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Solution

The fourth proportional to 62,395.91, 86,106.21 and 34,101.80 is: 47,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,395.91 : 86,106.21 = 34,101.80 : x
  2. Step 2: Convert to fraction form
    62,395.91/86,106.21 = 34,101.80/x
  3. Step 3: Cross multiply
    62,395.91x = 86,106.21 × 34,101.80
  4. Step 4: Simplify right side
    62,395.91x = 2,936,376,581.67
  5. Step 5: Solve for x
    x = 2,936,376,581.67/62,395.91
  6. Step 6: Final answer
    x = 47,060.40

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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.