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Finding the Fourth Proportional to 2,392.98, 3,295.17 and 2,218.74

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Solution

The fourth proportional to 2,392.98, 3,295.17 and 2,218.74 is: 3,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.98 : 3,295.17 = 2,218.74 : x
  2. Step 2: Convert to fraction form
    2,392.98/3,295.17 = 2,218.74/x
  3. Step 3: Cross multiply
    2,392.98x = 3,295.17 × 2,218.74
  4. Step 4: Simplify right side
    2,392.98x = 7,311,125.49
  5. Step 5: Solve for x
    x = 7,311,125.49/2,392.98
  6. Step 6: Final answer
    x = 3,055.24

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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.