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Finding the Fourth Proportional to 5,000.74, 7,502.23 and 1,922.66

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Solution

The fourth proportional to 5,000.74, 7,502.23 and 1,922.66 is: 2,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.74 : 7,502.23 = 1,922.66 : x
  2. Step 2: Convert to fraction form
    5,000.74/7,502.23 = 1,922.66/x
  3. Step 3: Cross multiply
    5,000.74x = 7,502.23 × 1,922.66
  4. Step 4: Simplify right side
    5,000.74x = 14,424,237.53
  5. Step 5: Solve for x
    x = 14,424,237.53/5,000.74
  6. Step 6: Final answer
    x = 2,884.42

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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.