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Finding the Fourth Proportional to 67,364.28, 101,045.21 and 27,921.33

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Solution

The fourth proportional to 67,364.28, 101,045.21 and 27,921.33 is: 41,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,364.28 : 101,045.21 = 27,921.33 : x
  2. Step 2: Convert to fraction form
    67,364.28/101,045.21 = 27,921.33/x
  3. Step 3: Cross multiply
    67,364.28x = 101,045.21 × 27,921.33
  4. Step 4: Simplify right side
    67,364.28x = 2,821,316,513.72
  5. Step 5: Solve for x
    x = 2,821,316,513.72/67,364.28
  6. Step 6: Final answer
    x = 41,881.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.