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Finding the Fourth Proportional to 27,399.94, 37,809.74 and 16,788.12

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Solution

The fourth proportional to 27,399.94, 37,809.74 and 16,788.12 is: 23,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.94 : 37,809.74 = 16,788.12 : x
  2. Step 2: Convert to fraction form
    27,399.94/37,809.74 = 16,788.12/x
  3. Step 3: Cross multiply
    27,399.94x = 37,809.74 × 16,788.12
  4. Step 4: Simplify right side
    27,399.94x = 634,754,452.29
  5. Step 5: Solve for x
    x = 634,754,452.29/27,399.94
  6. Step 6: Final answer
    x = 23,166.27

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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.