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Finding the Fourth Proportional to 9,928.11, 14,891.22 and 3,354.35

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Solution

The fourth proportional to 9,928.11, 14,891.22 and 3,354.35 is: 5,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.11 : 14,891.22 = 3,354.35 : x
  2. Step 2: Convert to fraction form
    9,928.11/14,891.22 = 3,354.35/x
  3. Step 3: Cross multiply
    9,928.11x = 14,891.22 × 3,354.35
  4. Step 4: Simplify right side
    9,928.11x = 49,950,289.35
  5. Step 5: Solve for x
    x = 49,950,289.35/9,928.11
  6. Step 6: Final answer
    x = 5,031.20

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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.