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Finding the Fourth Proportional to 31,373.52, 47,062.12 and 8,882.32

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Solution

The fourth proportional to 31,373.52, 47,062.12 and 8,882.32 is: 13,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.52 : 47,062.12 = 8,882.32 : x
  2. Step 2: Convert to fraction form
    31,373.52/47,062.12 = 8,882.32/x
  3. Step 3: Cross multiply
    31,373.52x = 47,062.12 × 8,882.32
  4. Step 4: Simplify right side
    31,373.52x = 418,020,809.72
  5. Step 5: Solve for x
    x = 418,020,809.72/31,373.52
  6. Step 6: Final answer
    x = 13,324.00

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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.