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Finding the Fourth Proportional to 25,491.68, 38,237.52 and 7,962.89

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Solution

The fourth proportional to 25,491.68, 38,237.52 and 7,962.89 is: 11,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.68 : 38,237.52 = 7,962.89 : x
  2. Step 2: Convert to fraction form
    25,491.68/38,237.52 = 7,962.89/x
  3. Step 3: Cross multiply
    25,491.68x = 38,237.52 × 7,962.89
  4. Step 4: Simplify right side
    25,491.68x = 304,481,165.63
  5. Step 5: Solve for x
    x = 304,481,165.63/25,491.68
  6. Step 6: Final answer
    x = 11,944.34

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Similar ratio
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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.