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Finding the Fourth Proportional to 4,752.87, 6,553.27 and 3,689.74

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Solution

The fourth proportional to 4,752.87, 6,553.27 and 3,689.74 is: 5,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.87 : 6,553.27 = 3,689.74 : x
  2. Step 2: Convert to fraction form
    4,752.87/6,553.27 = 3,689.74/x
  3. Step 3: Cross multiply
    4,752.87x = 6,553.27 × 3,689.74
  4. Step 4: Simplify right side
    4,752.87x = 24,179,862.45
  5. Step 5: Solve for x
    x = 24,179,862.45/4,752.87
  6. Step 6: Final answer
    x = 5,087.42

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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.