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Finding the Fourth Proportional to 63,494.40, 87,617.54 and 34,809.46

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Solution

The fourth proportional to 63,494.40, 87,617.54 and 34,809.46 is: 48,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,494.40 : 87,617.54 = 34,809.46 : x
  2. Step 2: Convert to fraction form
    63,494.40/87,617.54 = 34,809.46/x
  3. Step 3: Cross multiply
    63,494.40x = 87,617.54 × 34,809.46
  4. Step 4: Simplify right side
    63,494.40x = 3,049,919,253.93
  5. Step 5: Solve for x
    x = 3,049,919,253.93/63,494.40
  6. Step 6: Final answer
    x = 48,034.46

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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.