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Finding the Fourth Proportional to 17,041.73, 25,568.96 and 7,678.94

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Solution

The fourth proportional to 17,041.73, 25,568.96 and 7,678.94 is: 11,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,041.73 : 25,568.96 = 7,678.94 : x
  2. Step 2: Convert to fraction form
    17,041.73/25,568.96 = 7,678.94/x
  3. Step 3: Cross multiply
    17,041.73x = 25,568.96 × 7,678.94
  4. Step 4: Simplify right side
    17,041.73x = 196,342,343.46
  5. Step 5: Solve for x
    x = 196,342,343.46/17,041.73
  6. Step 6: Final answer
    x = 11,521.27

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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.