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Finding the Fourth Proportional to 1,575.68, 2,362.28 and 959.27

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Solution

The fourth proportional to 1,575.68, 2,362.28 and 959.27 is: 1,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.68 : 2,362.28 = 959.27 : x
  2. Step 2: Convert to fraction form
    1,575.68/2,362.28 = 959.27/x
  3. Step 3: Cross multiply
    1,575.68x = 2,362.28 × 959.27
  4. Step 4: Simplify right side
    1,575.68x = 2,266,047.73
  5. Step 5: Solve for x
    x = 2,266,047.73/1,575.68
  6. Step 6: Final answer
    x = 1,438.14

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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.