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Finding the Fourth Proportional to 2,347.94, 3,521.92 and 616.56

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Solution

The fourth proportional to 2,347.94, 3,521.92 and 616.56 is: 924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.94 : 3,521.92 = 616.56 : x
  2. Step 2: Convert to fraction form
    2,347.94/3,521.92 = 616.56/x
  3. Step 3: Cross multiply
    2,347.94x = 3,521.92 × 616.56
  4. Step 4: Simplify right side
    2,347.94x = 2,171,475.00
  5. Step 5: Solve for x
    x = 2,171,475.00/2,347.94
  6. Step 6: Final answer
    x = 924.84

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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.