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Finding the Fourth Proportional to 29,809.50, 44,721.16 and 8,748.68

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Solution

The fourth proportional to 29,809.50, 44,721.16 and 8,748.68 is: 13,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.50 : 44,721.16 = 8,748.68 : x
  2. Step 2: Convert to fraction form
    29,809.50/44,721.16 = 8,748.68/x
  3. Step 3: Cross multiply
    29,809.50x = 44,721.16 × 8,748.68
  4. Step 4: Simplify right side
    29,809.50x = 391,251,118.07
  5. Step 5: Solve for x
    x = 391,251,118.07/29,809.50
  6. Step 6: Final answer
    x = 13,125.05

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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.