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Finding the Fourth Proportional to 17,963.64, 26,948.48 and 8,102.68

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Solution

The fourth proportional to 17,963.64, 26,948.48 and 8,102.68 is: 12,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.64 : 26,948.48 = 8,102.68 : x
  2. Step 2: Convert to fraction form
    17,963.64/26,948.48 = 8,102.68/x
  3. Step 3: Cross multiply
    17,963.64x = 26,948.48 × 8,102.68
  4. Step 4: Simplify right side
    17,963.64x = 218,354,909.93
  5. Step 5: Solve for x
    x = 218,354,909.93/17,963.64
  6. Step 6: Final answer
    x = 12,155.38

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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.