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Finding the Fourth Proportional to 7,247.48, 9,981.23 and 6,591.38

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Solution

The fourth proportional to 7,247.48, 9,981.23 and 6,591.38 is: 9,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.48 : 9,981.23 = 6,591.38 : x
  2. Step 2: Convert to fraction form
    7,247.48/9,981.23 = 6,591.38/x
  3. Step 3: Cross multiply
    7,247.48x = 9,981.23 × 6,591.38
  4. Step 4: Simplify right side
    7,247.48x = 65,789,996.93
  5. Step 5: Solve for x
    x = 65,789,996.93/7,247.48
  6. Step 6: Final answer
    x = 9,077.64

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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.