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Finding the Fourth Proportional to 33,439.40, 50,151.90 and 14,719.40

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Solution

The fourth proportional to 33,439.40, 50,151.90 and 14,719.40 is: 22,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,439.40 : 50,151.90 = 14,719.40 : x
  2. Step 2: Convert to fraction form
    33,439.40/50,151.90 = 14,719.40/x
  3. Step 3: Cross multiply
    33,439.40x = 50,151.90 × 14,719.40
  4. Step 4: Simplify right side
    33,439.40x = 738,205,876.86
  5. Step 5: Solve for x
    x = 738,205,876.86/33,439.40
  6. Step 6: Final answer
    x = 22,075.93

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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.