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Finding the Fourth Proportional to 60,808, 91,217.12 and 17,032

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Solution

The fourth proportional to 60,808, 91,217.12 and 17,032 is: 25,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,808 : 91,217.12 = 17,032 : x
  2. Step 2: Convert to fraction form
    60,808/91,217.12 = 17,032/x
  3. Step 3: Cross multiply
    60,808x = 91,217.12 × 17,032
  4. Step 4: Simplify right side
    60,808x = 1,553,609,987.84
  5. Step 5: Solve for x
    x = 1,553,609,987.84/60,808
  6. Step 6: Final answer
    x = 25,549.43

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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.