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Finding the Fourth Proportional to 16,968.73, 25,448.55 and 7,105.99

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Solution

The fourth proportional to 16,968.73, 25,448.55 and 7,105.99 is: 10,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.73 : 25,448.55 = 7,105.99 : x
  2. Step 2: Convert to fraction form
    16,968.73/25,448.55 = 7,105.99/x
  3. Step 3: Cross multiply
    16,968.73x = 25,448.55 × 7,105.99
  4. Step 4: Simplify right side
    16,968.73x = 180,837,141.81
  5. Step 5: Solve for x
    x = 180,837,141.81/16,968.73
  6. Step 6: Final answer
    x = 10,657.08

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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.