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Finding the Fourth Proportional to 17,793.90, 26,690.85 and 9,045.90

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Solution

The fourth proportional to 17,793.90, 26,690.85 and 9,045.90 is: 13,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.90 : 26,690.85 = 9,045.90 : x
  2. Step 2: Convert to fraction form
    17,793.90/26,690.85 = 9,045.90/x
  3. Step 3: Cross multiply
    17,793.90x = 26,690.85 × 9,045.90
  4. Step 4: Simplify right side
    17,793.90x = 241,442,760.02
  5. Step 5: Solve for x
    x = 241,442,760.02/17,793.90
  6. Step 6: Final answer
    x = 13,568.85

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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.