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Finding the Fourth Proportional to 2,347.76, 3,521.36 and 616.52

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Solution

The fourth proportional to 2,347.76, 3,521.36 and 616.52 is: 924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.76 : 3,521.36 = 616.52 : x
  2. Step 2: Convert to fraction form
    2,347.76/3,521.36 = 616.52/x
  3. Step 3: Cross multiply
    2,347.76x = 3,521.36 × 616.52
  4. Step 4: Simplify right side
    2,347.76x = 2,170,988.87
  5. Step 5: Solve for x
    x = 2,170,988.87/2,347.76
  6. Step 6: Final answer
    x = 924.71

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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.