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Finding the Fourth Proportional to 1,575.44, 2,360.28 and 1,160

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Solution

The fourth proportional to 1,575.44, 2,360.28 and 1,160 is: 1,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.44 : 2,360.28 = 1,160 : x
  2. Step 2: Convert to fraction form
    1,575.44/2,360.28 = 1,160/x
  3. Step 3: Cross multiply
    1,575.44x = 2,360.28 × 1,160
  4. Step 4: Simplify right side
    1,575.44x = 2,737,924.80
  5. Step 5: Solve for x
    x = 2,737,924.80/1,575.44
  6. Step 6: Final answer
    x = 1,737.88

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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.