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Finding the Fourth Proportional to 8,063.78, 11,124.84 and 4,658.54

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Solution

The fourth proportional to 8,063.78, 11,124.84 and 4,658.54 is: 6,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.78 : 11,124.84 = 4,658.54 : x
  2. Step 2: Convert to fraction form
    8,063.78/11,124.84 = 4,658.54/x
  3. Step 3: Cross multiply
    8,063.78x = 11,124.84 × 4,658.54
  4. Step 4: Simplify right side
    8,063.78x = 51,825,512.13
  5. Step 5: Solve for x
    x = 51,825,512.13/8,063.78
  6. Step 6: Final answer
    x = 6,426.95

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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.