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Finding the Fourth Proportional to 29,672.52, 44,508.96 and 12,130.08

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Solution

The fourth proportional to 29,672.52, 44,508.96 and 12,130.08 is: 18,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,672.52 : 44,508.96 = 12,130.08 : x
  2. Step 2: Convert to fraction form
    29,672.52/44,508.96 = 12,130.08/x
  3. Step 3: Cross multiply
    29,672.52x = 44,508.96 × 12,130.08
  4. Step 4: Simplify right side
    29,672.52x = 539,897,245.52
  5. Step 5: Solve for x
    x = 539,897,245.52/29,672.52
  6. Step 6: Final answer
    x = 18,195.19

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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.