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Finding the Fourth Proportional to 61,159.92, 84,399.12 and 33,936

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Solution

The fourth proportional to 61,159.92, 84,399.12 and 33,936 is: 46,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,159.92 : 84,399.12 = 33,936 : x
  2. Step 2: Convert to fraction form
    61,159.92/84,399.12 = 33,936/x
  3. Step 3: Cross multiply
    61,159.92x = 84,399.12 × 33,936
  4. Step 4: Simplify right side
    61,159.92x = 2,864,168,536.32
  5. Step 5: Solve for x
    x = 2,864,168,536.32/61,159.92
  6. Step 6: Final answer
    x = 46,830.81

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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.