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Finding the Fourth Proportional to 1,032.53, 1,548.50 and 868.05

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Solution

The fourth proportional to 1,032.53, 1,548.50 and 868.05 is: 1,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.53 : 1,548.50 = 868.05 : x
  2. Step 2: Convert to fraction form
    1,032.53/1,548.50 = 868.05/x
  3. Step 3: Cross multiply
    1,032.53x = 1,548.50 × 868.05
  4. Step 4: Simplify right side
    1,032.53x = 1,344,171.08
  5. Step 5: Solve for x
    x = 1,344,171.08/1,032.53
  6. Step 6: Final answer
    x = 1,301.83

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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.