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Finding the Fourth Proportional to 25,805.66, 38,708.85 and 7,337.66

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Solution

The fourth proportional to 25,805.66, 38,708.85 and 7,337.66 is: 11,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.66 : 38,708.85 = 7,337.66 : x
  2. Step 2: Convert to fraction form
    25,805.66/38,708.85 = 7,337.66/x
  3. Step 3: Cross multiply
    25,805.66x = 38,708.85 × 7,337.66
  4. Step 4: Simplify right side
    25,805.66x = 284,032,380.29
  5. Step 5: Solve for x
    x = 284,032,380.29/25,805.66
  6. Step 6: Final answer
    x = 11,006.59

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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.