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Finding the Fourth Proportional to 1,651.76, 2,280.97 and 1,063.32

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Solution

The fourth proportional to 1,651.76, 2,280.97 and 1,063.32 is: 1,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.76 : 2,280.97 = 1,063.32 : x
  2. Step 2: Convert to fraction form
    1,651.76/2,280.97 = 1,063.32/x
  3. Step 3: Cross multiply
    1,651.76x = 2,280.97 × 1,063.32
  4. Step 4: Simplify right side
    1,651.76x = 2,425,401.02
  5. Step 5: Solve for x
    x = 2,425,401.02/1,651.76
  6. Step 6: Final answer
    x = 1,468.37

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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.