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Finding the Fourth Proportional to 35,653.99, 49,202.91 and 19,738.72

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Solution

The fourth proportional to 35,653.99, 49,202.91 and 19,738.72 is: 27,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.99 : 49,202.91 = 19,738.72 : x
  2. Step 2: Convert to fraction form
    35,653.99/49,202.91 = 19,738.72/x
  3. Step 3: Cross multiply
    35,653.99x = 49,202.91 × 19,738.72
  4. Step 4: Simplify right side
    35,653.99x = 971,202,463.68
  5. Step 5: Solve for x
    x = 971,202,463.68/35,653.99
  6. Step 6: Final answer
    x = 27,239.66

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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.