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Finding the Fourth Proportional to 8,053.62, 12,079.95 and 4,103.65

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Solution

The fourth proportional to 8,053.62, 12,079.95 and 4,103.65 is: 6,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.62 : 12,079.95 = 4,103.65 : x
  2. Step 2: Convert to fraction form
    8,053.62/12,079.95 = 4,103.65/x
  3. Step 3: Cross multiply
    8,053.62x = 12,079.95 × 4,103.65
  4. Step 4: Simplify right side
    8,053.62x = 49,571,886.82
  5. Step 5: Solve for x
    x = 49,571,886.82/8,053.62
  6. Step 6: Final answer
    x = 6,155.23

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1.5x scale

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.