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Finding the Fourth Proportional to 6,486.94, 8,948.87 and 6,235.46

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Solution

The fourth proportional to 6,486.94, 8,948.87 and 6,235.46 is: 8,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.94 : 8,948.87 = 6,235.46 : x
  2. Step 2: Convert to fraction form
    6,486.94/8,948.87 = 6,235.46/x
  3. Step 3: Cross multiply
    6,486.94x = 8,948.87 × 6,235.46
  4. Step 4: Simplify right side
    6,486.94x = 55,800,320.93
  5. Step 5: Solve for x
    x = 55,800,320.93/6,486.94
  6. Step 6: Final answer
    x = 8,601.95

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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.