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Finding the Fourth Proportional to 25,327.70, 37,991.12 and 9,748.70

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Solution

The fourth proportional to 25,327.70, 37,991.12 and 9,748.70 is: 14,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,327.70 : 37,991.12 = 9,748.70 : x
  2. Step 2: Convert to fraction form
    25,327.70/37,991.12 = 9,748.70/x
  3. Step 3: Cross multiply
    25,327.70x = 37,991.12 × 9,748.70
  4. Step 4: Simplify right side
    25,327.70x = 370,363,865.96
  5. Step 5: Solve for x
    x = 370,363,865.96/25,327.70
  6. Step 6: Final answer
    x = 14,622.88

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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.