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Finding the Fourth Proportional to 951.54, 1,423.98 and 797.64

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Solution

The fourth proportional to 951.54, 1,423.98 and 797.64 is: 1,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.54 : 1,423.98 = 797.64 : x
  2. Step 2: Convert to fraction form
    951.54/1,423.98 = 797.64/x
  3. Step 3: Cross multiply
    951.54x = 1,423.98 × 797.64
  4. Step 4: Simplify right side
    951.54x = 1,135,823.41
  5. Step 5: Solve for x
    x = 1,135,823.41/951.54
  6. Step 6: Final answer
    x = 1,193.67

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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.