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Finding the Fourth Proportional to 4,614.72, 6,923.16 and 1,693.68

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Solution

The fourth proportional to 4,614.72, 6,923.16 and 1,693.68 is: 2,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.72 : 6,923.16 = 1,693.68 : x
  2. Step 2: Convert to fraction form
    4,614.72/6,923.16 = 1,693.68/x
  3. Step 3: Cross multiply
    4,614.72x = 6,923.16 × 1,693.68
  4. Step 4: Simplify right side
    4,614.72x = 11,725,617.63
  5. Step 5: Solve for x
    x = 11,725,617.63/4,614.72
  6. Step 6: Final answer
    x = 2,540.92

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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.