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Finding the Fourth Proportional to 7,265.70, 10,892.17 and 2,880.16

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Solution

The fourth proportional to 7,265.70, 10,892.17 and 2,880.16 is: 4,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.70 : 10,892.17 = 2,880.16 : x
  2. Step 2: Convert to fraction form
    7,265.70/10,892.17 = 2,880.16/x
  3. Step 3: Cross multiply
    7,265.70x = 10,892.17 × 2,880.16
  4. Step 4: Simplify right side
    7,265.70x = 31,371,168.72
  5. Step 5: Solve for x
    x = 31,371,168.72/7,265.70
  6. Step 6: Final answer
    x = 4,317.71

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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.