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Finding the Fourth Proportional to 1,575.80, 2,367.08 and 959.84

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Solution

The fourth proportional to 1,575.80, 2,367.08 and 959.84 is: 1,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.80 : 2,367.08 = 959.84 : x
  2. Step 2: Convert to fraction form
    1,575.80/2,367.08 = 959.84/x
  3. Step 3: Cross multiply
    1,575.80x = 2,367.08 × 959.84
  4. Step 4: Simplify right side
    1,575.80x = 2,272,013.27
  5. Step 5: Solve for x
    x = 2,272,013.27/1,575.80
  6. Step 6: Final answer
    x = 1,441.82

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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.