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Finding the Fourth Proportional to 17,909.31, 26,860.52 and 17,020.27

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Solution

The fourth proportional to 17,909.31, 26,860.52 and 17,020.27 is: 25,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.31 : 26,860.52 = 17,020.27 : x
  2. Step 2: Convert to fraction form
    17,909.31/26,860.52 = 17,020.27/x
  3. Step 3: Cross multiply
    17,909.31x = 26,860.52 × 17,020.27
  4. Step 4: Simplify right side
    17,909.31x = 457,173,251.21
  5. Step 5: Solve for x
    x = 457,173,251.21/17,909.31
  6. Step 6: Final answer
    x = 25,527.13

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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.