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Finding the Fourth Proportional to 25,805.25, 38,714.38 and 7,337.25

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Solution

The fourth proportional to 25,805.25, 38,714.38 and 7,337.25 is: 11,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.25 : 38,714.38 = 7,337.25 : x
  2. Step 2: Convert to fraction form
    25,805.25/38,714.38 = 7,337.25/x
  3. Step 3: Cross multiply
    25,805.25x = 38,714.38 × 7,337.25
  4. Step 4: Simplify right side
    25,805.25x = 284,057,084.66
  5. Step 5: Solve for x
    x = 284,057,084.66/25,805.25
  6. Step 6: Final answer
    x = 11,007.72

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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.