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Finding the Fourth Proportional to 67,732.50, 101,598.75 and 18,484.50

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Solution

The fourth proportional to 67,732.50, 101,598.75 and 18,484.50 is: 27,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,732.50 : 101,598.75 = 18,484.50 : x
  2. Step 2: Convert to fraction form
    67,732.50/101,598.75 = 18,484.50/x
  3. Step 3: Cross multiply
    67,732.50x = 101,598.75 × 18,484.50
  4. Step 4: Simplify right side
    67,732.50x = 1,878,002,094.38
  5. Step 5: Solve for x
    x = 1,878,002,094.38/67,732.50
  6. Step 6: Final answer
    x = 27,726.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.