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Finding the Fourth Proportional to 6,718.94, 10,076.88 and 2,557.46

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Solution

The fourth proportional to 6,718.94, 10,076.88 and 2,557.46 is: 3,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.94 : 10,076.88 = 2,557.46 : x
  2. Step 2: Convert to fraction form
    6,718.94/10,076.88 = 2,557.46/x
  3. Step 3: Cross multiply
    6,718.94x = 10,076.88 × 2,557.46
  4. Step 4: Simplify right side
    6,718.94x = 25,771,217.52
  5. Step 5: Solve for x
    x = 25,771,217.52/6,718.94
  6. Step 6: Final answer
    x = 3,835.61

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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.