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Finding the Fourth Proportional to 29,711.12, 44,582.04 and 18,045.20

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Solution

The fourth proportional to 29,711.12, 44,582.04 and 18,045.20 is: 27,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,711.12 : 44,582.04 = 18,045.20 : x
  2. Step 2: Convert to fraction form
    29,711.12/44,582.04 = 18,045.20/x
  3. Step 3: Cross multiply
    29,711.12x = 44,582.04 × 18,045.20
  4. Step 4: Simplify right side
    29,711.12x = 804,491,828.21
  5. Step 5: Solve for x
    x = 804,491,828.21/29,711.12
  6. Step 6: Final answer
    x = 27,077.13

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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.