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Finding the Fourth Proportional to 9,332.20, 12,868.23 and 9,237.43

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Solution

The fourth proportional to 9,332.20, 12,868.23 and 9,237.43 is: 12,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.20 : 12,868.23 = 9,237.43 : x
  2. Step 2: Convert to fraction form
    9,332.20/12,868.23 = 9,237.43/x
  3. Step 3: Cross multiply
    9,332.20x = 12,868.23 × 9,237.43
  4. Step 4: Simplify right side
    9,332.20x = 118,869,373.85
  5. Step 5: Solve for x
    x = 118,869,373.85/9,332.20
  6. Step 6: Final answer
    x = 12,737.55

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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.