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Finding the Fourth Proportional to 67,846.97, 93,616.72 and 40,971.49

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Solution

The fourth proportional to 67,846.97, 93,616.72 and 40,971.49 is: 56,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,846.97 : 93,616.72 = 40,971.49 : x
  2. Step 2: Convert to fraction form
    67,846.97/93,616.72 = 40,971.49/x
  3. Step 3: Cross multiply
    67,846.97x = 93,616.72 × 40,971.49
  4. Step 4: Simplify right side
    67,846.97x = 3,835,616,170.84
  5. Step 5: Solve for x
    x = 3,835,616,170.84/67,846.97
  6. Step 6: Final answer
    x = 56,533.34

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1.5x scale

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.