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Finding the Fourth Proportional to 6,687.77, 10,014.98 and 4,056.48

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Solution

The fourth proportional to 6,687.77, 10,014.98 and 4,056.48 is: 6,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.77 : 10,014.98 = 4,056.48 : x
  2. Step 2: Convert to fraction form
    6,687.77/10,014.98 = 4,056.48/x
  3. Step 3: Cross multiply
    6,687.77x = 10,014.98 × 4,056.48
  4. Step 4: Simplify right side
    6,687.77x = 40,625,545.79
  5. Step 5: Solve for x
    x = 40,625,545.79/6,687.77
  6. Step 6: Final answer
    x = 6,074.61

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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.