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Finding the Fourth Proportional to 6,187.92, 8,535.78 and 4,064.70

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Solution

The fourth proportional to 6,187.92, 8,535.78 and 4,064.70 is: 5,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.92 : 8,535.78 = 4,064.70 : x
  2. Step 2: Convert to fraction form
    6,187.92/8,535.78 = 4,064.70/x
  3. Step 3: Cross multiply
    6,187.92x = 8,535.78 × 4,064.70
  4. Step 4: Simplify right side
    6,187.92x = 34,695,384.97
  5. Step 5: Solve for x
    x = 34,695,384.97/6,187.92
  6. Step 6: Final answer
    x = 5,606.95

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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.