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Finding the Fourth Proportional to 32,129.25, 48,213.80 and 15,490.97

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Solution

The fourth proportional to 32,129.25, 48,213.80 and 15,490.97 is: 23,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,129.25 : 48,213.80 = 15,490.97 : x
  2. Step 2: Convert to fraction form
    32,129.25/48,213.80 = 15,490.97/x
  3. Step 3: Cross multiply
    32,129.25x = 48,213.80 × 15,490.97
  4. Step 4: Simplify right side
    32,129.25x = 746,878,449.76
  5. Step 5: Solve for x
    x = 746,878,449.76/32,129.25
  6. Step 6: Final answer
    x = 23,246.06

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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.