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Finding the Fourth Proportional to 17,671.74, 26,499.15 and 10,278.18

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Solution

The fourth proportional to 17,671.74, 26,499.15 and 10,278.18 is: 15,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,671.74 : 26,499.15 = 10,278.18 : x
  2. Step 2: Convert to fraction form
    17,671.74/26,499.15 = 10,278.18/x
  3. Step 3: Cross multiply
    17,671.74x = 26,499.15 × 10,278.18
  4. Step 4: Simplify right side
    17,671.74x = 272,363,033.55
  5. Step 5: Solve for x
    x = 272,363,033.55/17,671.74
  6. Step 6: Final answer
    x = 15,412.35

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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.