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Finding the Fourth Proportional to 25,697.78, 38,523.30 and 9,892.73

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Solution

The fourth proportional to 25,697.78, 38,523.30 and 9,892.73 is: 14,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,697.78 : 38,523.30 = 9,892.73 : x
  2. Step 2: Convert to fraction form
    25,697.78/38,523.30 = 9,892.73/x
  3. Step 3: Cross multiply
    25,697.78x = 38,523.30 × 9,892.73
  4. Step 4: Simplify right side
    25,697.78x = 381,100,605.61
  5. Step 5: Solve for x
    x = 381,100,605.61/25,697.78
  6. Step 6: Final answer
    x = 14,830.10

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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.