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Finding the Fourth Proportional to 27,804.87, 38,371.50 and 16,902.99

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Solution

The fourth proportional to 27,804.87, 38,371.50 and 16,902.99 is: 23,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.87 : 38,371.50 = 16,902.99 : x
  2. Step 2: Convert to fraction form
    27,804.87/38,371.50 = 16,902.99/x
  3. Step 3: Cross multiply
    27,804.87x = 38,371.50 × 16,902.99
  4. Step 4: Simplify right side
    27,804.87x = 648,593,080.79
  5. Step 5: Solve for x
    x = 648,593,080.79/27,804.87
  6. Step 6: Final answer
    x = 23,326.60

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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.