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Finding the Fourth Proportional to 29,748.29, 44,626.61 and 8,689.88

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Solution

The fourth proportional to 29,748.29, 44,626.61 and 8,689.88 is: 13,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,748.29 : 44,626.61 = 8,689.88 : x
  2. Step 2: Convert to fraction form
    29,748.29/44,626.61 = 8,689.88/x
  3. Step 3: Cross multiply
    29,748.29x = 44,626.61 × 8,689.88
  4. Step 4: Simplify right side
    29,748.29x = 387,799,662.57
  5. Step 5: Solve for x
    x = 387,799,662.57/29,748.29
  6. Step 6: Final answer
    x = 13,036.03

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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.