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Finding the Fourth Proportional to 63,008.66, 86,952.17 and 34,714.28

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Solution

The fourth proportional to 63,008.66, 86,952.17 and 34,714.28 is: 47,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,008.66 : 86,952.17 = 34,714.28 : x
  2. Step 2: Convert to fraction form
    63,008.66/86,952.17 = 34,714.28/x
  3. Step 3: Cross multiply
    63,008.66x = 86,952.17 × 34,714.28
  4. Step 4: Simplify right side
    63,008.66x = 3,018,481,975.99
  5. Step 5: Solve for x
    x = 3,018,481,975.99/63,008.66
  6. Step 6: Final answer
    x = 47,905.83

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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.