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Finding the Fourth Proportional to 3,569.05, 4,920.10 and 2,519.29

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Solution

The fourth proportional to 3,569.05, 4,920.10 and 2,519.29 is: 3,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.05 : 4,920.10 = 2,519.29 : x
  2. Step 2: Convert to fraction form
    3,569.05/4,920.10 = 2,519.29/x
  3. Step 3: Cross multiply
    3,569.05x = 4,920.10 × 2,519.29
  4. Step 4: Simplify right side
    3,569.05x = 12,395,158.73
  5. Step 5: Solve for x
    x = 12,395,158.73/3,569.05
  6. Step 6: Final answer
    x = 3,472.96

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1.5x scale

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.