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Finding the Fourth Proportional to 61,189.56, 84,435.48 and 35,698.32

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Solution

The fourth proportional to 61,189.56, 84,435.48 and 35,698.32 is: 49,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189.56 : 84,435.48 = 35,698.32 : x
  2. Step 2: Convert to fraction form
    61,189.56/84,435.48 = 35,698.32/x
  3. Step 3: Cross multiply
    61,189.56x = 84,435.48 × 35,698.32
  4. Step 4: Simplify right side
    61,189.56x = 3,014,204,784.39
  5. Step 5: Solve for x
    x = 3,014,204,784.39/61,189.56
  6. Step 6: Final answer
    x = 49,260.12

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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.