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Finding the Fourth Proportional to 937.04, 1,292.72 and 564.02

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Solution

The fourth proportional to 937.04, 1,292.72 and 564.02 is: 778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.04 : 1,292.72 = 564.02 : x
  2. Step 2: Convert to fraction form
    937.04/1,292.72 = 564.02/x
  3. Step 3: Cross multiply
    937.04x = 1,292.72 × 564.02
  4. Step 4: Simplify right side
    937.04x = 729,119.93
  5. Step 5: Solve for x
    x = 729,119.93/937.04
  6. Step 6: Final answer
    x = 778.11

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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.