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Finding the Fourth Proportional to 61,568.32, 84,964.30 and 33,274.02

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Solution

The fourth proportional to 61,568.32, 84,964.30 and 33,274.02 is: 45,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,568.32 : 84,964.30 = 33,274.02 : x
  2. Step 2: Convert to fraction form
    61,568.32/84,964.30 = 33,274.02/x
  3. Step 3: Cross multiply
    61,568.32x = 84,964.30 × 33,274.02
  4. Step 4: Simplify right side
    61,568.32x = 2,827,103,817.49
  5. Step 5: Solve for x
    x = 2,827,103,817.49/61,568.32
  6. Step 6: Final answer
    x = 45,918.16

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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.