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Finding the Fourth Proportional to 7,391.97, 10,200.95 and 4,034.86

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Solution

The fourth proportional to 7,391.97, 10,200.95 and 4,034.86 is: 5,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.97 : 10,200.95 = 4,034.86 : x
  2. Step 2: Convert to fraction form
    7,391.97/10,200.95 = 4,034.86/x
  3. Step 3: Cross multiply
    7,391.97x = 10,200.95 × 4,034.86
  4. Step 4: Simplify right side
    7,391.97x = 41,159,389.70
  5. Step 5: Solve for x
    x = 41,159,389.70/7,391.97
  6. Step 6: Final answer
    x = 5,568.12

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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.