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Finding the Fourth Proportional to 4,856.88, 6,702.22 and 2,866.71

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Solution

The fourth proportional to 4,856.88, 6,702.22 and 2,866.71 is: 3,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.88 : 6,702.22 = 2,866.71 : x
  2. Step 2: Convert to fraction form
    4,856.88/6,702.22 = 2,866.71/x
  3. Step 3: Cross multiply
    4,856.88x = 6,702.22 × 2,866.71
  4. Step 4: Simplify right side
    4,856.88x = 19,213,321.10
  5. Step 5: Solve for x
    x = 19,213,321.10/4,856.88
  6. Step 6: Final answer
    x = 3,955.90

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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.