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Finding the Fourth Proportional to 35,635.51, 49,177.01 and 19,720.02

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Solution

The fourth proportional to 35,635.51, 49,177.01 and 19,720.02 is: 27,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.51 : 49,177.01 = 19,720.02 : x
  2. Step 2: Convert to fraction form
    35,635.51/49,177.01 = 19,720.02/x
  3. Step 3: Cross multiply
    35,635.51x = 49,177.01 × 19,720.02
  4. Step 4: Simplify right side
    35,635.51x = 969,771,620.74
  5. Step 5: Solve for x
    x = 969,771,620.74/35,635.51
  6. Step 6: Final answer
    x = 27,213.63

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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.