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Finding the Fourth Proportional to 951.84, 1,424.88 and 735.84

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Solution

The fourth proportional to 951.84, 1,424.88 and 735.84 is: 1,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.84 : 1,424.88 = 735.84 : x
  2. Step 2: Convert to fraction form
    951.84/1,424.88 = 735.84/x
  3. Step 3: Cross multiply
    951.84x = 1,424.88 × 735.84
  4. Step 4: Simplify right side
    951.84x = 1,048,483.70
  5. Step 5: Solve for x
    x = 1,048,483.70/951.84
  6. Step 6: Final answer
    x = 1,101.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.