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Finding the Fourth Proportional to 6,783.16, 10,174.16 and 2,103.06

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Solution

The fourth proportional to 6,783.16, 10,174.16 and 2,103.06 is: 3,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.16 : 10,174.16 = 2,103.06 : x
  2. Step 2: Convert to fraction form
    6,783.16/10,174.16 = 2,103.06/x
  3. Step 3: Cross multiply
    6,783.16x = 10,174.16 × 2,103.06
  4. Step 4: Simplify right side
    6,783.16x = 21,396,868.93
  5. Step 5: Solve for x
    x = 21,396,868.93/6,783.16
  6. Step 6: Final answer
    x = 3,154.41

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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.