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Finding the Fourth Proportional to 3,472.77, 5,203.09 and 2,891.51

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Solution

The fourth proportional to 3,472.77, 5,203.09 and 2,891.51 is: 4,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.77 : 5,203.09 = 2,891.51 : x
  2. Step 2: Convert to fraction form
    3,472.77/5,203.09 = 2,891.51/x
  3. Step 3: Cross multiply
    3,472.77x = 5,203.09 × 2,891.51
  4. Step 4: Simplify right side
    3,472.77x = 15,044,792.54
  5. Step 5: Solve for x
    x = 15,044,792.54/3,472.77
  6. Step 6: Final answer
    x = 4,332.21

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1.5x scale

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.