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Finding the Fourth Proportional to 8,951.54, 12,353.47 and 6,124.84

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Solution

The fourth proportional to 8,951.54, 12,353.47 and 6,124.84 is: 8,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.54 : 12,353.47 = 6,124.84 : x
  2. Step 2: Convert to fraction form
    8,951.54/12,353.47 = 6,124.84/x
  3. Step 3: Cross multiply
    8,951.54x = 12,353.47 × 6,124.84
  4. Step 4: Simplify right side
    8,951.54x = 75,663,065.60
  5. Step 5: Solve for x
    x = 75,663,065.60/8,951.54
  6. Step 6: Final answer
    x = 8,452.52

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1.5x scale

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.