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Finding the Fourth Proportional to 3,508.87, 5,264.52 and 1,560.82

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Solution

The fourth proportional to 3,508.87, 5,264.52 and 1,560.82 is: 2,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.87 : 5,264.52 = 1,560.82 : x
  2. Step 2: Convert to fraction form
    3,508.87/5,264.52 = 1,560.82/x
  3. Step 3: Cross multiply
    3,508.87x = 5,264.52 × 1,560.82
  4. Step 4: Simplify right side
    3,508.87x = 8,216,968.11
  5. Step 5: Solve for x
    x = 8,216,968.11/3,508.87
  6. Step 6: Final answer
    x = 2,341.77

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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.