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Finding the Fourth Proportional to 29,232.70, 43,856.25 and 8,458.30

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Solution

The fourth proportional to 29,232.70, 43,856.25 and 8,458.30 is: 12,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,232.70 : 43,856.25 = 8,458.30 : x
  2. Step 2: Convert to fraction form
    29,232.70/43,856.25 = 8,458.30/x
  3. Step 3: Cross multiply
    29,232.70x = 43,856.25 × 8,458.30
  4. Step 4: Simplify right side
    29,232.70x = 370,949,319.38
  5. Step 5: Solve for x
    x = 370,949,319.38/29,232.70
  6. Step 6: Final answer
    x = 12,689.53

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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.