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Finding the Fourth Proportional to 3,669,853.80, 5,504,780.70 and 3,616,709.70

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Solution

The fourth proportional to 3,669,853.80, 5,504,780.70 and 3,616,709.70 is: 5,425,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,853.80 : 5,504,780.70 = 3,616,709.70 : x
  2. Step 2: Convert to fraction form
    3,669,853.80/5,504,780.70 = 3,616,709.70/x
  3. Step 3: Cross multiply
    3,669,853.80x = 5,504,780.70 × 3,616,709.70
  4. Step 4: Simplify right side
    3,669,853.80x = 19,909,193,754,062.79
  5. Step 5: Solve for x
    x = 19,909,193,754,062.79/3,669,853.80
  6. Step 6: Final answer
    x = 5,425,064.55

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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.