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Finding the Fourth Proportional to 61,568.83, 84,964.98 and 33,274.51

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Solution

The fourth proportional to 61,568.83, 84,964.98 and 33,274.51 is: 45,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,568.83 : 84,964.98 = 33,274.51 : x
  2. Step 2: Convert to fraction form
    61,568.83/84,964.98 = 33,274.51/x
  3. Step 3: Cross multiply
    61,568.83x = 84,964.98 × 33,274.51
  4. Step 4: Simplify right side
    61,568.83x = 2,827,168,076.66
  5. Step 5: Solve for x
    x = 2,827,168,076.66/61,568.83
  6. Step 6: Final answer
    x = 45,918.82

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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.