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Finding the Fourth Proportional to 29,407.68, 44,118.87 and 8,631.18

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Solution

The fourth proportional to 29,407.68, 44,118.87 and 8,631.18 is: 12,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,407.68 : 44,118.87 = 8,631.18 : x
  2. Step 2: Convert to fraction form
    29,407.68/44,118.87 = 8,631.18/x
  3. Step 3: Cross multiply
    29,407.68x = 44,118.87 × 8,631.18
  4. Step 4: Simplify right side
    29,407.68x = 380,797,908.37
  5. Step 5: Solve for x
    x = 380,797,908.37/29,407.68
  6. Step 6: Final answer
    x = 12,948.93

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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.