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Finding the Fourth Proportional to 21,593.16, 32,387 and 7,552.62

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Solution

The fourth proportional to 21,593.16, 32,387 and 7,552.62 is: 11,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.16 : 32,387 = 7,552.62 : x
  2. Step 2: Convert to fraction form
    21,593.16/32,387 = 7,552.62/x
  3. Step 3: Cross multiply
    21,593.16x = 32,387 × 7,552.62
  4. Step 4: Simplify right side
    21,593.16x = 244,606,703.94
  5. Step 5: Solve for x
    x = 244,606,703.94/21,593.16
  6. Step 6: Final answer
    x = 11,327.97

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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.