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Finding the Fourth Proportional to 9,373.20, 14,059.80 and 7,963.80

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Solution

The fourth proportional to 9,373.20, 14,059.80 and 7,963.80 is: 11,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.20 : 14,059.80 = 7,963.80 : x
  2. Step 2: Convert to fraction form
    9,373.20/14,059.80 = 7,963.80/x
  3. Step 3: Cross multiply
    9,373.20x = 14,059.80 × 7,963.80
  4. Step 4: Simplify right side
    9,373.20x = 111,969,435.24
  5. Step 5: Solve for x
    x = 111,969,435.24/9,373.20
  6. Step 6: Final answer
    x = 11,945.70

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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.