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Finding the Fourth Proportional to 29,809.62, 44,721.35 and 8,748.81

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Solution

The fourth proportional to 29,809.62, 44,721.35 and 8,748.81 is: 13,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.62 : 44,721.35 = 8,748.81 : x
  2. Step 2: Convert to fraction form
    29,809.62/44,721.35 = 8,748.81/x
  3. Step 3: Cross multiply
    29,809.62x = 44,721.35 × 8,748.81
  4. Step 4: Simplify right side
    29,809.62x = 391,258,550.35
  5. Step 5: Solve for x
    x = 391,258,550.35/29,809.62
  6. Step 6: Final answer
    x = 13,125.24

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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.