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Finding the Fourth Proportional to 25,924.40, 38,892.80 and 8,394.24

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Solution

The fourth proportional to 25,924.40, 38,892.80 and 8,394.24 is: 12,593.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,924.40 : 38,892.80 = 8,394.24 : x
  2. Step 2: Convert to fraction form
    25,924.40/38,892.80 = 8,394.24/x
  3. Step 3: Cross multiply
    25,924.40x = 38,892.80 × 8,394.24
  4. Step 4: Simplify right side
    25,924.40x = 326,475,497.47
  5. Step 5: Solve for x
    x = 326,475,497.47/25,924.40
  6. Step 6: Final answer
    x = 12,593.37

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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.