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Finding the Fourth Proportional to 22,909.16, 34,363.90 and 7,327.40

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Solution

The fourth proportional to 22,909.16, 34,363.90 and 7,327.40 is: 10,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.16 : 34,363.90 = 7,327.40 : x
  2. Step 2: Convert to fraction form
    22,909.16/34,363.90 = 7,327.40/x
  3. Step 3: Cross multiply
    22,909.16x = 34,363.90 × 7,327.40
  4. Step 4: Simplify right side
    22,909.16x = 251,798,040.86
  5. Step 5: Solve for x
    x = 251,798,040.86/22,909.16
  6. Step 6: Final answer
    x = 10,991.15

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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.