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Finding the Fourth Proportional to 4,866.71, 6,715.38 and 2,741.88

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Solution

The fourth proportional to 4,866.71, 6,715.38 and 2,741.88 is: 3,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.71 : 6,715.38 = 2,741.88 : x
  2. Step 2: Convert to fraction form
    4,866.71/6,715.38 = 2,741.88/x
  3. Step 3: Cross multiply
    4,866.71x = 6,715.38 × 2,741.88
  4. Step 4: Simplify right side
    4,866.71x = 18,412,766.11
  5. Step 5: Solve for x
    x = 18,412,766.11/4,866.71
  6. Step 6: Final answer
    x = 3,783.41

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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.