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Finding the Fourth Proportional to 1,092.13, 1,502.90 and 1,060.09

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Solution

The fourth proportional to 1,092.13, 1,502.90 and 1,060.09 is: 1,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.13 : 1,502.90 = 1,060.09 : x
  2. Step 2: Convert to fraction form
    1,092.13/1,502.90 = 1,060.09/x
  3. Step 3: Cross multiply
    1,092.13x = 1,502.90 × 1,060.09
  4. Step 4: Simplify right side
    1,092.13x = 1,593,210.14
  5. Step 5: Solve for x
    x = 1,593,210.14/1,092.13
  6. Step 6: Final answer
    x = 1,458.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.