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Finding the Fourth Proportional to 29,808.81, 44,720.13 and 8,748

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Solution

The fourth proportional to 29,808.81, 44,720.13 and 8,748 is: 13,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808.81 : 44,720.13 = 8,748 : x
  2. Step 2: Convert to fraction form
    29,808.81/44,720.13 = 8,748/x
  3. Step 3: Cross multiply
    29,808.81x = 44,720.13 × 8,748
  4. Step 4: Simplify right side
    29,808.81x = 391,211,697.24
  5. Step 5: Solve for x
    x = 391,211,697.24/29,808.81
  6. Step 6: Final answer
    x = 13,124.03

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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.