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Finding the Fourth Proportional to 5,868.55, 8,803.13 and 1,486.05

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Solution

The fourth proportional to 5,868.55, 8,803.13 and 1,486.05 is: 2,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.55 : 8,803.13 = 1,486.05 : x
  2. Step 2: Convert to fraction form
    5,868.55/8,803.13 = 1,486.05/x
  3. Step 3: Cross multiply
    5,868.55x = 8,803.13 × 1,486.05
  4. Step 4: Simplify right side
    5,868.55x = 13,081,891.34
  5. Step 5: Solve for x
    x = 13,081,891.34/5,868.55
  6. Step 6: Final answer
    x = 2,229.15

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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.