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Finding the Fourth Proportional to 15,866.96, 23,783.30 and 6,974.38

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Solution

The fourth proportional to 15,866.96, 23,783.30 and 6,974.38 is: 10,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.96 : 23,783.30 = 6,974.38 : x
  2. Step 2: Convert to fraction form
    15,866.96/23,783.30 = 6,974.38/x
  3. Step 3: Cross multiply
    15,866.96x = 23,783.30 × 6,974.38
  4. Step 4: Simplify right side
    15,866.96x = 165,873,771.85
  5. Step 5: Solve for x
    x = 165,873,771.85/15,866.96
  6. Step 6: Final answer
    x = 10,454.04

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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.