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Finding the Fourth Proportional to 32,451.31, 48,659.60 and 9,958.03

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Solution

The fourth proportional to 32,451.31, 48,659.60 and 9,958.03 is: 14,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,451.31 : 48,659.60 = 9,958.03 : x
  2. Step 2: Convert to fraction form
    32,451.31/48,659.60 = 9,958.03/x
  3. Step 3: Cross multiply
    32,451.31x = 48,659.60 × 9,958.03
  4. Step 4: Simplify right side
    32,451.31x = 484,553,706.80
  5. Step 5: Solve for x
    x = 484,553,706.80/32,451.31
  6. Step 6: Final answer
    x = 14,931.71

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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.