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Finding the Fourth Proportional to 63,008.16, 86,951.48 and 34,713.78

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Solution

The fourth proportional to 63,008.16, 86,951.48 and 34,713.78 is: 47,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,008.16 : 86,951.48 = 34,713.78 : x
  2. Step 2: Convert to fraction form
    63,008.16/86,951.48 = 34,713.78/x
  3. Step 3: Cross multiply
    63,008.16x = 86,951.48 × 34,713.78
  4. Step 4: Simplify right side
    63,008.16x = 3,018,414,547.39
  5. Step 5: Solve for x
    x = 3,018,414,547.39/63,008.16
  6. Step 6: Final answer
    x = 47,905.14

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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.