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Finding the Fourth Proportional to 62,325.73, 86,009.16 and 34,031.21

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Solution

The fourth proportional to 62,325.73, 86,009.16 and 34,031.21 is: 46,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,325.73 : 86,009.16 = 34,031.21 : x
  2. Step 2: Convert to fraction form
    62,325.73/86,009.16 = 34,031.21/x
  3. Step 3: Cross multiply
    62,325.73x = 86,009.16 × 34,031.21
  4. Step 4: Simplify right side
    62,325.73x = 2,926,996,000.91
  5. Step 5: Solve for x
    x = 2,926,996,000.91/62,325.73
  6. Step 6: Final answer
    x = 46,962.89

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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.