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Finding the Fourth Proportional to 9,223.62, 12,728.54 and 5,244.74

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Solution

The fourth proportional to 9,223.62, 12,728.54 and 5,244.74 is: 7,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.62 : 12,728.54 = 5,244.74 : x
  2. Step 2: Convert to fraction form
    9,223.62/12,728.54 = 5,244.74/x
  3. Step 3: Cross multiply
    9,223.62x = 12,728.54 × 5,244.74
  4. Step 4: Simplify right side
    9,223.62x = 66,757,812.68
  5. Step 5: Solve for x
    x = 66,757,812.68/9,223.62
  6. Step 6: Final answer
    x = 7,237.70

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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.