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Finding the Fourth Proportional to 2,652.77, 3,972.76 and 1,553.87

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Solution

The fourth proportional to 2,652.77, 3,972.76 and 1,553.87 is: 2,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.77 : 3,972.76 = 1,553.87 : x
  2. Step 2: Convert to fraction form
    2,652.77/3,972.76 = 1,553.87/x
  3. Step 3: Cross multiply
    2,652.77x = 3,972.76 × 1,553.87
  4. Step 4: Simplify right side
    2,652.77x = 6,173,152.58
  5. Step 5: Solve for x
    x = 6,173,152.58/2,652.77
  6. Step 6: Final answer
    x = 2,327.06

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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.