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Finding the Fourth Proportional to 1,595.52, 2,390.48 and 1,108.88

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Solution

The fourth proportional to 1,595.52, 2,390.48 and 1,108.88 is: 1,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.52 : 2,390.48 = 1,108.88 : x
  2. Step 2: Convert to fraction form
    1,595.52/2,390.48 = 1,108.88/x
  3. Step 3: Cross multiply
    1,595.52x = 2,390.48 × 1,108.88
  4. Step 4: Simplify right side
    1,595.52x = 2,650,755.46
  5. Step 5: Solve for x
    x = 2,650,755.46/1,595.52
  6. Step 6: Final answer
    x = 1,661.37

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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.