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Finding the Fourth Proportional to 4,855.95, 6,703.65 and 2,867.13

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Solution

The fourth proportional to 4,855.95, 6,703.65 and 2,867.13 is: 3,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.95 : 6,703.65 = 2,867.13 : x
  2. Step 2: Convert to fraction form
    4,855.95/6,703.65 = 2,867.13/x
  3. Step 3: Cross multiply
    4,855.95x = 6,703.65 × 2,867.13
  4. Step 4: Simplify right side
    4,855.95x = 19,220,236.02
  5. Step 5: Solve for x
    x = 19,220,236.02/4,855.95
  6. Step 6: Final answer
    x = 3,958.08

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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.