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Finding the Fourth Proportional to 67,076.90, 92,564.34 and 36,862.16

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Solution

The fourth proportional to 67,076.90, 92,564.34 and 36,862.16 is: 50,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,076.90 : 92,564.34 = 36,862.16 : x
  2. Step 2: Convert to fraction form
    67,076.90/92,564.34 = 36,862.16/x
  3. Step 3: Cross multiply
    67,076.90x = 92,564.34 × 36,862.16
  4. Step 4: Simplify right side
    67,076.90x = 3,412,121,511.37
  5. Step 5: Solve for x
    x = 3,412,121,511.37/67,076.90
  6. Step 6: Final answer
    x = 50,868.80

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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.