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Finding the Fourth Proportional to 4,339.78, 5,986.08 and 2,570.08

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Solution

The fourth proportional to 4,339.78, 5,986.08 and 2,570.08 is: 3,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.78 : 5,986.08 = 2,570.08 : x
  2. Step 2: Convert to fraction form
    4,339.78/5,986.08 = 2,570.08/x
  3. Step 3: Cross multiply
    4,339.78x = 5,986.08 × 2,570.08
  4. Step 4: Simplify right side
    4,339.78x = 15,384,704.49
  5. Step 5: Solve for x
    x = 15,384,704.49/4,339.78
  6. Step 6: Final answer
    x = 3,545.04

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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.