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Finding the Fourth Proportional to 6,952.80, 10,423.02 and 2,569.20

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Solution

The fourth proportional to 6,952.80, 10,423.02 and 2,569.20 is: 3,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,952.80 : 10,423.02 = 2,569.20 : x
  2. Step 2: Convert to fraction form
    6,952.80/10,423.02 = 2,569.20/x
  3. Step 3: Cross multiply
    6,952.80x = 10,423.02 × 2,569.20
  4. Step 4: Simplify right side
    6,952.80x = 26,778,822.98
  5. Step 5: Solve for x
    x = 26,778,822.98/6,952.80
  6. Step 6: Final answer
    x = 3,851.52

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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.