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Finding the Fourth Proportional to 25,651.78, 38,473.97 and 6,932.88

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Solution

The fourth proportional to 25,651.78, 38,473.97 and 6,932.88 is: 10,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.78 : 38,473.97 = 6,932.88 : x
  2. Step 2: Convert to fraction form
    25,651.78/38,473.97 = 6,932.88/x
  3. Step 3: Cross multiply
    25,651.78x = 38,473.97 × 6,932.88
  4. Step 4: Simplify right side
    25,651.78x = 266,735,417.13
  5. Step 5: Solve for x
    x = 266,735,417.13/25,651.78
  6. Step 6: Final answer
    x = 10,398.32

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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.