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Finding the Fourth Proportional to 1,507.26, 2,079.98 and 844.06

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Solution

The fourth proportional to 1,507.26, 2,079.98 and 844.06 is: 1,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.26 : 2,079.98 = 844.06 : x
  2. Step 2: Convert to fraction form
    1,507.26/2,079.98 = 844.06/x
  3. Step 3: Cross multiply
    1,507.26x = 2,079.98 × 844.06
  4. Step 4: Simplify right side
    1,507.26x = 1,755,627.92
  5. Step 5: Solve for x
    x = 1,755,627.92/1,507.26
  6. Step 6: Final answer
    x = 1,164.78

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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.