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Finding the Fourth Proportional to 27,199.59, 40,799.32 and 15,347.98

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Solution

The fourth proportional to 27,199.59, 40,799.32 and 15,347.98 is: 23,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,199.59 : 40,799.32 = 15,347.98 : x
  2. Step 2: Convert to fraction form
    27,199.59/40,799.32 = 15,347.98/x
  3. Step 3: Cross multiply
    27,199.59x = 40,799.32 × 15,347.98
  4. Step 4: Simplify right side
    27,199.59x = 626,187,007.01
  5. Step 5: Solve for x
    x = 626,187,007.01/27,199.59
  6. Step 6: Final answer
    x = 23,021.93

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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.