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Finding the Fourth Proportional to 9,432.18, 14,079.11 and 8,325.18

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Solution

The fourth proportional to 9,432.18, 14,079.11 and 8,325.18 is: 12,426.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.18 : 14,079.11 = 8,325.18 : x
  2. Step 2: Convert to fraction form
    9,432.18/14,079.11 = 8,325.18/x
  3. Step 3: Cross multiply
    9,432.18x = 14,079.11 × 8,325.18
  4. Step 4: Simplify right side
    9,432.18x = 117,211,124.99
  5. Step 5: Solve for x
    x = 117,211,124.99/9,432.18
  6. Step 6: Final answer
    x = 12,426.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.