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Finding the Fourth Proportional to 25,366.64, 38,053.44 and 7,837.76

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Solution

The fourth proportional to 25,366.64, 38,053.44 and 7,837.76 is: 11,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.64 : 38,053.44 = 7,837.76 : x
  2. Step 2: Convert to fraction form
    25,366.64/38,053.44 = 7,837.76/x
  3. Step 3: Cross multiply
    25,366.64x = 38,053.44 × 7,837.76
  4. Step 4: Simplify right side
    25,366.64x = 298,253,729.89
  5. Step 5: Solve for x
    x = 298,253,729.89/25,366.64
  6. Step 6: Final answer
    x = 11,757.72

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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.