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Finding the Fourth Proportional to 1,367.18, 2,051.12 and 587.25

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Solution

The fourth proportional to 1,367.18, 2,051.12 and 587.25 is: 881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.18 : 2,051.12 = 587.25 : x
  2. Step 2: Convert to fraction form
    1,367.18/2,051.12 = 587.25/x
  3. Step 3: Cross multiply
    1,367.18x = 2,051.12 × 587.25
  4. Step 4: Simplify right side
    1,367.18x = 1,204,521.69
  5. Step 5: Solve for x
    x = 1,204,521.69/1,367.18
  6. Step 6: Final answer
    x = 881.03

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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.