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Finding the Fourth Proportional to 36,051.99, 49,751.46 and 19,919.25

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Solution

The fourth proportional to 36,051.99, 49,751.46 and 19,919.25 is: 27,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,051.99 : 49,751.46 = 19,919.25 : x
  2. Step 2: Convert to fraction form
    36,051.99/49,751.46 = 19,919.25/x
  3. Step 3: Cross multiply
    36,051.99x = 49,751.46 × 19,919.25
  4. Step 4: Simplify right side
    36,051.99x = 991,011,694.91
  5. Step 5: Solve for x
    x = 991,011,694.91/36,051.99
  6. Step 6: Final answer
    x = 27,488.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.