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Finding the Fourth Proportional to 2,653.98, 3,954.63 and 2,363.19

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Solution

The fourth proportional to 2,653.98, 3,954.63 and 2,363.19 is: 3,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.98 : 3,954.63 = 2,363.19 : x
  2. Step 2: Convert to fraction form
    2,653.98/3,954.63 = 2,363.19/x
  3. Step 3: Cross multiply
    2,653.98x = 3,954.63 × 2,363.19
  4. Step 4: Simplify right side
    2,653.98x = 9,345,542.07
  5. Step 5: Solve for x
    x = 9,345,542.07/2,653.98
  6. Step 6: Final answer
    x = 3,521.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.