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Finding the Fourth Proportional to 29,191.80, 40,279.23 and 16,444.02

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Solution

The fourth proportional to 29,191.80, 40,279.23 and 16,444.02 is: 22,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.80 : 40,279.23 = 16,444.02 : x
  2. Step 2: Convert to fraction form
    29,191.80/40,279.23 = 16,444.02/x
  3. Step 3: Cross multiply
    29,191.80x = 40,279.23 × 16,444.02
  4. Step 4: Simplify right side
    29,191.80x = 662,352,463.70
  5. Step 5: Solve for x
    x = 662,352,463.70/29,191.80
  6. Step 6: Final answer
    x = 22,689.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.