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Finding the Fourth Proportional to 17,671.78, 26,498.22 and 9,330.70

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Solution

The fourth proportional to 17,671.78, 26,498.22 and 9,330.70 is: 13,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,671.78 : 26,498.22 = 9,330.70 : x
  2. Step 2: Convert to fraction form
    17,671.78/26,498.22 = 9,330.70/x
  3. Step 3: Cross multiply
    17,671.78x = 26,498.22 × 9,330.70
  4. Step 4: Simplify right side
    17,671.78x = 247,246,941.35
  5. Step 5: Solve for x
    x = 247,246,941.35/17,671.78
  6. Step 6: Final answer
    x = 13,991.06

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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.