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Finding the Fourth Proportional to 16,788.22, 25,187.54 and 6,928.29

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Solution

The fourth proportional to 16,788.22, 25,187.54 and 6,928.29 is: 10,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.22 : 25,187.54 = 6,928.29 : x
  2. Step 2: Convert to fraction form
    16,788.22/25,187.54 = 6,928.29/x
  3. Step 3: Cross multiply
    16,788.22x = 25,187.54 × 6,928.29
  4. Step 4: Simplify right side
    16,788.22x = 174,506,546.87
  5. Step 5: Solve for x
    x = 174,506,546.87/16,788.22
  6. Step 6: Final answer
    x = 10,394.58

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1.5x scale

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.