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Finding the Fourth Proportional to 1,663.80, 2,295.16 and 1,000.52

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Solution

The fourth proportional to 1,663.80, 2,295.16 and 1,000.52 is: 1,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.80 : 2,295.16 = 1,000.52 : x
  2. Step 2: Convert to fraction form
    1,663.80/2,295.16 = 1,000.52/x
  3. Step 3: Cross multiply
    1,663.80x = 2,295.16 × 1,000.52
  4. Step 4: Simplify right side
    1,663.80x = 2,296,353.48
  5. Step 5: Solve for x
    x = 2,296,353.48/1,663.80
  6. Step 6: Final answer
    x = 1,380.19

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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.