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Finding the Fourth Proportional to 36,053.99, 49,754.21 and 19,921.25

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Solution

The fourth proportional to 36,053.99, 49,754.21 and 19,921.25 is: 27,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,053.99 : 49,754.21 = 19,921.25 : x
  2. Step 2: Convert to fraction form
    36,053.99/49,754.21 = 19,921.25/x
  3. Step 3: Cross multiply
    36,053.99x = 49,754.21 × 19,921.25
  4. Step 4: Simplify right side
    36,053.99x = 991,166,055.96
  5. Step 5: Solve for x
    x = 991,166,055.96/36,053.99
  6. Step 6: Final answer
    x = 27,491.16

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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.