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Finding the Fourth Proportional to 2,045.52, 2,822.04 and 1,160.88

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Solution

The fourth proportional to 2,045.52, 2,822.04 and 1,160.88 is: 1,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.52 : 2,822.04 = 1,160.88 : x
  2. Step 2: Convert to fraction form
    2,045.52/2,822.04 = 1,160.88/x
  3. Step 3: Cross multiply
    2,045.52x = 2,822.04 × 1,160.88
  4. Step 4: Simplify right side
    2,045.52x = 3,276,049.80
  5. Step 5: Solve for x
    x = 3,276,049.80/2,045.52
  6. Step 6: Final answer
    x = 1,601.57

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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.