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Finding the Fourth Proportional to 4,862.58, 6,711.17 and 2,818.17

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Solution

The fourth proportional to 4,862.58, 6,711.17 and 2,818.17 is: 3,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.58 : 6,711.17 = 2,818.17 : x
  2. Step 2: Convert to fraction form
    4,862.58/6,711.17 = 2,818.17/x
  3. Step 3: Cross multiply
    4,862.58x = 6,711.17 × 2,818.17
  4. Step 4: Simplify right side
    4,862.58x = 18,913,240.23
  5. Step 5: Solve for x
    x = 18,913,240.23/4,862.58
  6. Step 6: Final answer
    x = 3,889.55

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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.