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Finding the Fourth Proportional to 3,347.76, 4,617.72 and 1,949.52

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Solution

The fourth proportional to 3,347.76, 4,617.72 and 1,949.52 is: 2,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.76 : 4,617.72 = 1,949.52 : x
  2. Step 2: Convert to fraction form
    3,347.76/4,617.72 = 1,949.52/x
  3. Step 3: Cross multiply
    3,347.76x = 4,617.72 × 1,949.52
  4. Step 4: Simplify right side
    3,347.76x = 9,002,337.49
  5. Step 5: Solve for x
    x = 9,002,337.49/3,347.76
  6. Step 6: Final answer
    x = 2,689.06

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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.