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Finding the Fourth Proportional to 29,720.62, 44,581.08 and 7,534.05

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Solution

The fourth proportional to 29,720.62, 44,581.08 and 7,534.05 is: 11,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720.62 : 44,581.08 = 7,534.05 : x
  2. Step 2: Convert to fraction form
    29,720.62/44,581.08 = 7,534.05/x
  3. Step 3: Cross multiply
    29,720.62x = 44,581.08 × 7,534.05
  4. Step 4: Simplify right side
    29,720.62x = 335,875,946.85
  5. Step 5: Solve for x
    x = 335,875,946.85/29,720.62
  6. Step 6: Final answer
    x = 11,301.11

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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.