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Finding the Fourth Proportional to 22,909.40, 34,374.90 and 17,077.40

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Solution

The fourth proportional to 22,909.40, 34,374.90 and 17,077.40 is: 25,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.40 : 34,374.90 = 17,077.40 : x
  2. Step 2: Convert to fraction form
    22,909.40/34,374.90 = 17,077.40/x
  3. Step 3: Cross multiply
    22,909.40x = 34,374.90 × 17,077.40
  4. Step 4: Simplify right side
    22,909.40x = 587,033,917.26
  5. Step 5: Solve for x
    x = 587,033,917.26/22,909.40
  6. Step 6: Final answer
    x = 25,624.15

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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.