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Finding the Fourth Proportional to 4,761.74, 7,134.48 and 3,372.77

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Solution

The fourth proportional to 4,761.74, 7,134.48 and 3,372.77 is: 5,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.74 : 7,134.48 = 3,372.77 : x
  2. Step 2: Convert to fraction form
    4,761.74/7,134.48 = 3,372.77/x
  3. Step 3: Cross multiply
    4,761.74x = 7,134.48 × 3,372.77
  4. Step 4: Simplify right side
    4,761.74x = 24,062,960.11
  5. Step 5: Solve for x
    x = 24,062,960.11/4,761.74
  6. Step 6: Final answer
    x = 5,053.40

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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.