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Finding the Fourth Proportional to 2,347.74, 3,521.55 and 616.38

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Solution

The fourth proportional to 2,347.74, 3,521.55 and 616.38 is: 924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.74 : 3,521.55 = 616.38 : x
  2. Step 2: Convert to fraction form
    2,347.74/3,521.55 = 616.38/x
  3. Step 3: Cross multiply
    2,347.74x = 3,521.55 × 616.38
  4. Step 4: Simplify right side
    2,347.74x = 2,170,612.99
  5. Step 5: Solve for x
    x = 2,170,612.99/2,347.74
  6. Step 6: Final answer
    x = 924.55

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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.