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Finding the Fourth Proportional to 16,928.95, 25,395.79 and 7,065.97

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Solution

The fourth proportional to 16,928.95, 25,395.79 and 7,065.97 is: 10,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.95 : 25,395.79 = 7,065.97 : x
  2. Step 2: Convert to fraction form
    16,928.95/25,395.79 = 7,065.97/x
  3. Step 3: Cross multiply
    16,928.95x = 25,395.79 × 7,065.97
  4. Step 4: Simplify right side
    16,928.95x = 179,445,890.27
  5. Step 5: Solve for x
    x = 179,445,890.27/16,928.95
  6. Step 6: Final answer
    x = 10,599.94

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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.