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Finding the Fourth Proportional to 60,967.49, 91,480.40 and 21,543.17

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Solution

The fourth proportional to 60,967.49, 91,480.40 and 21,543.17 is: 32,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,967.49 : 91,480.40 = 21,543.17 : x
  2. Step 2: Convert to fraction form
    60,967.49/91,480.40 = 21,543.17/x
  3. Step 3: Cross multiply
    60,967.49x = 91,480.40 × 21,543.17
  4. Step 4: Simplify right side
    60,967.49x = 1,970,777,586.80
  5. Step 5: Solve for x
    x = 1,970,777,586.80/60,967.49
  6. Step 6: Final answer
    x = 32,325.06

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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.