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Finding the Fourth Proportional to 27,301.86, 37,669.86 and 16,687.62

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Solution

The fourth proportional to 27,301.86, 37,669.86 and 16,687.62 is: 23,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,301.86 : 37,669.86 = 16,687.62 : x
  2. Step 2: Convert to fraction form
    27,301.86/37,669.86 = 16,687.62/x
  3. Step 3: Cross multiply
    27,301.86x = 37,669.86 × 16,687.62
  4. Step 4: Simplify right side
    27,301.86x = 628,620,309.13
  5. Step 5: Solve for x
    x = 628,620,309.13/27,301.86
  6. Step 6: Final answer
    x = 23,024.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.