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Finding the Fourth Proportional to 1,150.62, 1,726.11 and 1,005.18

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Solution

The fourth proportional to 1,150.62, 1,726.11 and 1,005.18 is: 1,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.62 : 1,726.11 = 1,005.18 : x
  2. Step 2: Convert to fraction form
    1,150.62/1,726.11 = 1,005.18/x
  3. Step 3: Cross multiply
    1,150.62x = 1,726.11 × 1,005.18
  4. Step 4: Simplify right side
    1,150.62x = 1,735,051.25
  5. Step 5: Solve for x
    x = 1,735,051.25/1,150.62
  6. Step 6: Final answer
    x = 1,507.93

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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.