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Finding the Fourth Proportional to 17,909.44, 26,860.71 and 17,020.40

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Solution

The fourth proportional to 17,909.44, 26,860.71 and 17,020.40 is: 25,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.44 : 26,860.71 = 17,020.40 : x
  2. Step 2: Convert to fraction form
    17,909.44/26,860.71 = 17,020.40/x
  3. Step 3: Cross multiply
    17,909.44x = 26,860.71 × 17,020.40
  4. Step 4: Simplify right side
    17,909.44x = 457,179,809.08
  5. Step 5: Solve for x
    x = 457,179,809.08/17,909.44
  6. Step 6: Final answer
    x = 25,527.32

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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.