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Finding the Fourth Proportional to 32,158.78, 48,245.10 and 9,971.71

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Solution

The fourth proportional to 32,158.78, 48,245.10 and 9,971.71 is: 14,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,158.78 : 48,245.10 = 9,971.71 : x
  2. Step 2: Convert to fraction form
    32,158.78/48,245.10 = 9,971.71/x
  3. Step 3: Cross multiply
    32,158.78x = 48,245.10 × 9,971.71
  4. Step 4: Simplify right side
    32,158.78x = 481,086,146.12
  5. Step 5: Solve for x
    x = 481,086,146.12/32,158.78
  6. Step 6: Final answer
    x = 14,959.71

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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.