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Finding the Fourth Proportional to 8,952.18, 12,317.85 and 8,723.22

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Solution

The fourth proportional to 8,952.18, 12,317.85 and 8,723.22 is: 12,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.18 : 12,317.85 = 8,723.22 : x
  2. Step 2: Convert to fraction form
    8,952.18/12,317.85 = 8,723.22/x
  3. Step 3: Cross multiply
    8,952.18x = 12,317.85 × 8,723.22
  4. Step 4: Simplify right side
    8,952.18x = 107,451,315.48
  5. Step 5: Solve for x
    x = 107,451,315.48/8,952.18
  6. Step 6: Final answer
    x = 12,002.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.