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Finding the Fourth Proportional to 1,150.92, 1,726.89 and 893.16

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Solution

The fourth proportional to 1,150.92, 1,726.89 and 893.16 is: 1,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.92 : 1,726.89 = 893.16 : x
  2. Step 2: Convert to fraction form
    1,150.92/1,726.89 = 893.16/x
  3. Step 3: Cross multiply
    1,150.92x = 1,726.89 × 893.16
  4. Step 4: Simplify right side
    1,150.92x = 1,542,389.07
  5. Step 5: Solve for x
    x = 1,542,389.07/1,150.92
  6. Step 6: Final answer
    x = 1,340.14

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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.