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Finding the Fourth Proportional to 13,341.42, 20,012.04 and 4,107.42

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Solution

The fourth proportional to 13,341.42, 20,012.04 and 4,107.42 is: 6,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.42 : 20,012.04 = 4,107.42 : x
  2. Step 2: Convert to fraction form
    13,341.42/20,012.04 = 4,107.42/x
  3. Step 3: Cross multiply
    13,341.42x = 20,012.04 × 4,107.42
  4. Step 4: Simplify right side
    13,341.42x = 82,197,853.34
  5. Step 5: Solve for x
    x = 82,197,853.34/13,341.42
  6. Step 6: Final answer
    x = 6,161.10

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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.