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Finding the Fourth Proportional to 7,600.88, 11,391.95 and 5,397.68

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Solution

The fourth proportional to 7,600.88, 11,391.95 and 5,397.68 is: 8,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.88 : 11,391.95 = 5,397.68 : x
  2. Step 2: Convert to fraction form
    7,600.88/11,391.95 = 5,397.68/x
  3. Step 3: Cross multiply
    7,600.88x = 11,391.95 × 5,397.68
  4. Step 4: Simplify right side
    7,600.88x = 61,490,100.68
  5. Step 5: Solve for x
    x = 61,490,100.68/7,600.88
  6. Step 6: Final answer
    x = 8,089.87

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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.