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Finding the Fourth Proportional to 5,869.21, 8,803.89 and 1,486.55

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Solution

The fourth proportional to 5,869.21, 8,803.89 and 1,486.55 is: 2,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.21 : 8,803.89 = 1,486.55 : x
  2. Step 2: Convert to fraction form
    5,869.21/8,803.89 = 1,486.55/x
  3. Step 3: Cross multiply
    5,869.21x = 8,803.89 × 1,486.55
  4. Step 4: Simplify right side
    5,869.21x = 13,087,444.69
  5. Step 5: Solve for x
    x = 13,087,444.69/5,869.21
  6. Step 6: Final answer
    x = 2,229.85

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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.