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Finding the Fourth Proportional to 5,818.86, 8,723.70 and 2,895.48

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Solution

The fourth proportional to 5,818.86, 8,723.70 and 2,895.48 is: 4,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.86 : 8,723.70 = 2,895.48 : x
  2. Step 2: Convert to fraction form
    5,818.86/8,723.70 = 2,895.48/x
  3. Step 3: Cross multiply
    5,818.86x = 8,723.70 × 2,895.48
  4. Step 4: Simplify right side
    5,818.86x = 25,259,298.88
  5. Step 5: Solve for x
    x = 25,259,298.88/5,818.86
  6. Step 6: Final answer
    x = 4,340.94

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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.