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Finding the Fourth Proportional to 4,999.59, 6,902.82 and 3,863.16

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Solution

The fourth proportional to 4,999.59, 6,902.82 and 3,863.16 is: 5,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.59 : 6,902.82 = 3,863.16 : x
  2. Step 2: Convert to fraction form
    4,999.59/6,902.82 = 3,863.16/x
  3. Step 3: Cross multiply
    4,999.59x = 6,902.82 × 3,863.16
  4. Step 4: Simplify right side
    4,999.59x = 26,666,698.11
  5. Step 5: Solve for x
    x = 26,666,698.11/4,999.59
  6. Step 6: Final answer
    x = 5,333.78

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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.