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Finding the Fourth Proportional to 2,155.93, 3,233.93 and 616.93

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Solution

The fourth proportional to 2,155.93, 3,233.93 and 616.93 is: 925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.93 : 3,233.93 = 616.93 : x
  2. Step 2: Convert to fraction form
    2,155.93/3,233.93 = 616.93/x
  3. Step 3: Cross multiply
    2,155.93x = 3,233.93 × 616.93
  4. Step 4: Simplify right side
    2,155.93x = 1,995,108.43
  5. Step 5: Solve for x
    x = 1,995,108.43/2,155.93
  6. Step 6: Final answer
    x = 925.41

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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.