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Finding the Fourth Proportional to 4,858.12, 6,703.95 and 2,867.95

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Solution

The fourth proportional to 4,858.12, 6,703.95 and 2,867.95 is: 3,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.12 : 6,703.95 = 2,867.95 : x
  2. Step 2: Convert to fraction form
    4,858.12/6,703.95 = 2,867.95/x
  3. Step 3: Cross multiply
    4,858.12x = 6,703.95 × 2,867.95
  4. Step 4: Simplify right side
    4,858.12x = 19,226,593.40
  5. Step 5: Solve for x
    x = 19,226,593.40/4,858.12
  6. Step 6: Final answer
    x = 3,957.62

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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.