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Finding the Fourth Proportional to 33,461.80, 50,184.70 and 19,391.40

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Solution

The fourth proportional to 33,461.80, 50,184.70 and 19,391.40 is: 29,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,461.80 : 50,184.70 = 19,391.40 : x
  2. Step 2: Convert to fraction form
    33,461.80/50,184.70 = 19,391.40/x
  3. Step 3: Cross multiply
    33,461.80x = 50,184.70 × 19,391.40
  4. Step 4: Simplify right side
    33,461.80x = 973,151,591.58
  5. Step 5: Solve for x
    x = 973,151,591.58/33,461.80
  6. Step 6: Final answer
    x = 29,082.46

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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.