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Finding the Fourth Proportional to 24,921, 37,388.79 and 7,391.25

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Solution

The fourth proportional to 24,921, 37,388.79 and 7,391.25 is: 11,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,921 : 37,388.79 = 7,391.25 : x
  2. Step 2: Convert to fraction form
    24,921/37,388.79 = 7,391.25/x
  3. Step 3: Cross multiply
    24,921x = 37,388.79 × 7,391.25
  4. Step 4: Simplify right side
    24,921x = 276,349,894.09
  5. Step 5: Solve for x
    x = 276,349,894.09/24,921
  6. Step 6: Final answer
    x = 11,089.04

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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.