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Finding the Fourth Proportional to 5,818.95, 8,724.03 and 2,899.32

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Solution

The fourth proportional to 5,818.95, 8,724.03 and 2,899.32 is: 4,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.95 : 8,724.03 = 2,899.32 : x
  2. Step 2: Convert to fraction form
    5,818.95/8,724.03 = 2,899.32/x
  3. Step 3: Cross multiply
    5,818.95x = 8,724.03 × 2,899.32
  4. Step 4: Simplify right side
    5,818.95x = 25,293,754.66
  5. Step 5: Solve for x
    x = 25,293,754.66/5,818.95
  6. Step 6: Final answer
    x = 4,346.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.