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Finding the Fourth Proportional to 2,616.93, 3,923.55 and 2,370.90

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Solution

The fourth proportional to 2,616.93, 3,923.55 and 2,370.90 is: 3,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.93 : 3,923.55 = 2,370.90 : x
  2. Step 2: Convert to fraction form
    2,616.93/3,923.55 = 2,370.90/x
  3. Step 3: Cross multiply
    2,616.93x = 3,923.55 × 2,370.90
  4. Step 4: Simplify right side
    2,616.93x = 9,302,344.70
  5. Step 5: Solve for x
    x = 9,302,344.70/2,616.93
  6. Step 6: Final answer
    x = 3,554.68

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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.