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Finding the Fourth Proportional to 7,522.57, 11,261.71 and 7,201.81

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Solution

The fourth proportional to 7,522.57, 11,261.71 and 7,201.81 is: 10,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.57 : 11,261.71 = 7,201.81 : x
  2. Step 2: Convert to fraction form
    7,522.57/11,261.71 = 7,201.81/x
  3. Step 3: Cross multiply
    7,522.57x = 11,261.71 × 7,201.81
  4. Step 4: Simplify right side
    7,522.57x = 81,104,695.70
  5. Step 5: Solve for x
    x = 81,104,695.70/7,522.57
  6. Step 6: Final answer
    x = 10,781.51

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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.