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Finding the Fourth Proportional to 61,568.32, 84,964.29 and 33,274.01

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Solution

The fourth proportional to 61,568.32, 84,964.29 and 33,274.01 is: 45,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,568.32 : 84,964.29 = 33,274.01 : x
  2. Step 2: Convert to fraction form
    61,568.32/84,964.29 = 33,274.01/x
  3. Step 3: Cross multiply
    61,568.32x = 84,964.29 × 33,274.01
  4. Step 4: Simplify right side
    61,568.32x = 2,827,102,635.10
  5. Step 5: Solve for x
    x = 2,827,102,635.10/61,568.32
  6. Step 6: Final answer
    x = 45,918.14

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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.