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Finding the Fourth Proportional to 937.18, 1,292.76 and 587.26

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Solution

The fourth proportional to 937.18, 1,292.76 and 587.26 is: 810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.18 : 1,292.76 = 587.26 : x
  2. Step 2: Convert to fraction form
    937.18/1,292.76 = 587.26/x
  3. Step 3: Cross multiply
    937.18x = 1,292.76 × 587.26
  4. Step 4: Simplify right side
    937.18x = 759,186.24
  5. Step 5: Solve for x
    x = 759,186.24/937.18
  6. Step 6: Final answer
    x = 810.08

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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.