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Finding the Fourth Proportional to 17,436.80, 24,060 and 11,470.88

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Solution

The fourth proportional to 17,436.80, 24,060 and 11,470.88 is: 15,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,436.80 : 24,060 = 11,470.88 : x
  2. Step 2: Convert to fraction form
    17,436.80/24,060 = 11,470.88/x
  3. Step 3: Cross multiply
    17,436.80x = 24,060 × 11,470.88
  4. Step 4: Simplify right side
    17,436.80x = 275,989,372.80
  5. Step 5: Solve for x
    x = 275,989,372.80/17,436.80
  6. Step 6: Final answer
    x = 15,827.98

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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.