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Finding the Fourth Proportional to 63,392.67, 87,481.13 and 34,712.01

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Solution

The fourth proportional to 63,392.67, 87,481.13 and 34,712.01 is: 47,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,392.67 : 87,481.13 = 34,712.01 : x
  2. Step 2: Convert to fraction form
    63,392.67/87,481.13 = 34,712.01/x
  3. Step 3: Cross multiply
    63,392.67x = 87,481.13 × 34,712.01
  4. Step 4: Simplify right side
    63,392.67x = 3,036,645,685.81
  5. Step 5: Solve for x
    x = 3,036,645,685.81/63,392.67
  6. Step 6: Final answer
    x = 47,902.16

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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.