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Finding the Fourth Proportional to 27,699.93, 41,502.63 and 15,230.40

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Solution

The fourth proportional to 27,699.93, 41,502.63 and 15,230.40 is: 22,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.93 : 41,502.63 = 15,230.40 : x
  2. Step 2: Convert to fraction form
    27,699.93/41,502.63 = 15,230.40/x
  3. Step 3: Cross multiply
    27,699.93x = 41,502.63 × 15,230.40
  4. Step 4: Simplify right side
    27,699.93x = 632,101,655.95
  5. Step 5: Solve for x
    x = 632,101,655.95/27,699.93
  6. Step 6: Final answer
    x = 22,819.61

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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.