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Finding the Fourth Proportional to 67,297, 92,871.78 and 37,490.92

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Solution

The fourth proportional to 67,297, 92,871.78 and 37,490.92 is: 51,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,297 : 92,871.78 = 37,490.92 : x
  2. Step 2: Convert to fraction form
    67,297/92,871.78 = 37,490.92/x
  3. Step 3: Cross multiply
    67,297x = 92,871.78 × 37,490.92
  4. Step 4: Simplify right side
    67,297x = 3,481,848,474.24
  5. Step 5: Solve for x
    x = 3,481,848,474.24/67,297
  6. Step 6: Final answer
    x = 51,738.54

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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.