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Finding the Fourth Proportional to 6,344.74, 8,756.78 and 4,353.66

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Solution

The fourth proportional to 6,344.74, 8,756.78 and 4,353.66 is: 6,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.74 : 8,756.78 = 4,353.66 : x
  2. Step 2: Convert to fraction form
    6,344.74/8,756.78 = 4,353.66/x
  3. Step 3: Cross multiply
    6,344.74x = 8,756.78 × 4,353.66
  4. Step 4: Simplify right side
    6,344.74x = 38,123,977.26
  5. Step 5: Solve for x
    x = 38,123,977.26/6,344.74
  6. Step 6: Final answer
    x = 6,008.76

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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.