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Finding the Fourth Proportional to 9,404.80, 14,107.20 and 3,856.30

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Solution

The fourth proportional to 9,404.80, 14,107.20 and 3,856.30 is: 5,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404.80 : 14,107.20 = 3,856.30 : x
  2. Step 2: Convert to fraction form
    9,404.80/14,107.20 = 3,856.30/x
  3. Step 3: Cross multiply
    9,404.80x = 14,107.20 × 3,856.30
  4. Step 4: Simplify right side
    9,404.80x = 54,401,595.36
  5. Step 5: Solve for x
    x = 54,401,595.36/9,404.80
  6. Step 6: Final answer
    x = 5,784.45

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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.