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Finding the Fourth Proportional to 951.84, 1,427.52 and 587.52

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Solution

The fourth proportional to 951.84, 1,427.52 and 587.52 is: 881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.84 : 1,427.52 = 587.52 : x
  2. Step 2: Convert to fraction form
    951.84/1,427.52 = 587.52/x
  3. Step 3: Cross multiply
    951.84x = 1,427.52 × 587.52
  4. Step 4: Simplify right side
    951.84x = 838,696.55
  5. Step 5: Solve for x
    x = 838,696.55/951.84
  6. Step 6: Final answer
    x = 881.13

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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.