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Finding the Fourth Proportional to 25,400.46, 38,100.92 and 6,932.46

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Solution

The fourth proportional to 25,400.46, 38,100.92 and 6,932.46 is: 10,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.46 : 38,100.92 = 6,932.46 : x
  2. Step 2: Convert to fraction form
    25,400.46/38,100.92 = 6,932.46/x
  3. Step 3: Cross multiply
    25,400.46x = 38,100.92 × 6,932.46
  4. Step 4: Simplify right side
    25,400.46x = 264,133,069.20
  5. Step 5: Solve for x
    x = 264,133,069.20/25,400.46
  6. Step 6: Final answer
    x = 10,398.75

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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.