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Finding the Fourth Proportional to 3,604.22, 4,974 and 2,718.48

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Solution

The fourth proportional to 3,604.22, 4,974 and 2,718.48 is: 3,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.22 : 4,974 = 2,718.48 : x
  2. Step 2: Convert to fraction form
    3,604.22/4,974 = 2,718.48/x
  3. Step 3: Cross multiply
    3,604.22x = 4,974 × 2,718.48
  4. Step 4: Simplify right side
    3,604.22x = 13,521,719.52
  5. Step 5: Solve for x
    x = 13,521,719.52/3,604.22
  6. Step 6: Final answer
    x = 3,751.64

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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.