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Finding the Fourth Proportional to 16,928.39, 25,394.95 and 7,065.41

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Solution

The fourth proportional to 16,928.39, 25,394.95 and 7,065.41 is: 10,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.39 : 25,394.95 = 7,065.41 : x
  2. Step 2: Convert to fraction form
    16,928.39/25,394.95 = 7,065.41/x
  3. Step 3: Cross multiply
    16,928.39x = 25,394.95 × 7,065.41
  4. Step 4: Simplify right side
    16,928.39x = 179,425,733.68
  5. Step 5: Solve for x
    x = 179,425,733.68/16,928.39
  6. Step 6: Final answer
    x = 10,599.10

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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.