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Finding the Fourth Proportional to 17,654.78, 26,479.02 and 10,273.70

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Solution

The fourth proportional to 17,654.78, 26,479.02 and 10,273.70 is: 15,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,654.78 : 26,479.02 = 10,273.70 : x
  2. Step 2: Convert to fraction form
    17,654.78/26,479.02 = 10,273.70/x
  3. Step 3: Cross multiply
    17,654.78x = 26,479.02 × 10,273.70
  4. Step 4: Simplify right side
    17,654.78x = 272,037,507.77
  5. Step 5: Solve for x
    x = 272,037,507.77/17,654.78
  6. Step 6: Final answer
    x = 15,408.72

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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.