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Finding the Fourth Proportional to 3,669, 5,061.69 and 2,411.46

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Solution

The fourth proportional to 3,669, 5,061.69 and 2,411.46 is: 3,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669 : 5,061.69 = 2,411.46 : x
  2. Step 2: Convert to fraction form
    3,669/5,061.69 = 2,411.46/x
  3. Step 3: Cross multiply
    3,669x = 5,061.69 × 2,411.46
  4. Step 4: Simplify right side
    3,669x = 12,206,062.97
  5. Step 5: Solve for x
    x = 12,206,062.97/3,669
  6. Step 6: Final answer
    x = 3,326.81

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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.