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Finding the Fourth Proportional to 5,269.70, 7,265.86 and 4,262.49

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Solution

The fourth proportional to 5,269.70, 7,265.86 and 4,262.49 is: 5,877.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.70 : 7,265.86 = 4,262.49 : x
  2. Step 2: Convert to fraction form
    5,269.70/7,265.86 = 4,262.49/x
  3. Step 3: Cross multiply
    5,269.70x = 7,265.86 × 4,262.49
  4. Step 4: Simplify right side
    5,269.70x = 30,970,644.94
  5. Step 5: Solve for x
    x = 30,970,644.94/5,269.70
  6. Step 6: Final answer
    x = 5,877.11

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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.