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Finding the Fourth Proportional to 29,531.99, 44,314.18 and 11,997.11

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Solution

The fourth proportional to 29,531.99, 44,314.18 and 11,997.11 is: 18,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.99 : 44,314.18 = 11,997.11 : x
  2. Step 2: Convert to fraction form
    29,531.99/44,314.18 = 11,997.11/x
  3. Step 3: Cross multiply
    29,531.99x = 44,314.18 × 11,997.11
  4. Step 4: Simplify right side
    29,531.99x = 531,641,840.46
  5. Step 5: Solve for x
    x = 531,641,840.46/29,531.99
  6. Step 6: Final answer
    x = 18,002.24

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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.