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Finding the Fourth Proportional to 937.73, 1,292.60 and 760.95

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Solution

The fourth proportional to 937.73, 1,292.60 and 760.95 is: 1,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.73 : 1,292.60 = 760.95 : x
  2. Step 2: Convert to fraction form
    937.73/1,292.60 = 760.95/x
  3. Step 3: Cross multiply
    937.73x = 1,292.60 × 760.95
  4. Step 4: Simplify right side
    937.73x = 983,600.17
  5. Step 5: Solve for x
    x = 983,600.17/937.73
  6. Step 6: Final answer
    x = 1,048.92

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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.