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Finding the Fourth Proportional to 4,998.59, 6,895.75 and 3,230.76

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Solution

The fourth proportional to 4,998.59, 6,895.75 and 3,230.76 is: 4,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.59 : 6,895.75 = 3,230.76 : x
  2. Step 2: Convert to fraction form
    4,998.59/6,895.75 = 3,230.76/x
  3. Step 3: Cross multiply
    4,998.59x = 6,895.75 × 3,230.76
  4. Step 4: Simplify right side
    4,998.59x = 22,278,497.12
  5. Step 5: Solve for x
    x = 22,278,497.12/4,998.59
  6. Step 6: Final answer
    x = 4,456.96

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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.