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Finding the Fourth Proportional to 937.74, 1,401.27 and 701.95

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Solution

The fourth proportional to 937.74, 1,401.27 and 701.95 is: 1,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.74 : 1,401.27 = 701.95 : x
  2. Step 2: Convert to fraction form
    937.74/1,401.27 = 701.95/x
  3. Step 3: Cross multiply
    937.74x = 1,401.27 × 701.95
  4. Step 4: Simplify right side
    937.74x = 983,621.48
  5. Step 5: Solve for x
    x = 983,621.48/937.74
  6. Step 6: Final answer
    x = 1,048.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.