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Finding the Fourth Proportional to 29,491.12, 44,241.04 and 8,711.92

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Solution

The fourth proportional to 29,491.12, 44,241.04 and 8,711.92 is: 13,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,491.12 : 44,241.04 = 8,711.92 : x
  2. Step 2: Convert to fraction form
    29,491.12/44,241.04 = 8,711.92/x
  3. Step 3: Cross multiply
    29,491.12x = 44,241.04 × 8,711.92
  4. Step 4: Simplify right side
    29,491.12x = 385,424,401.20
  5. Step 5: Solve for x
    x = 385,424,401.20/29,491.12
  6. Step 6: Final answer
    x = 13,069.17

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1.5x scale

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.