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Finding the Fourth Proportional to 67,264.50, 92,825.01 and 38,986.59

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Solution

The fourth proportional to 67,264.50, 92,825.01 and 38,986.59 is: 53,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,264.50 : 92,825.01 = 38,986.59 : x
  2. Step 2: Convert to fraction form
    67,264.50/92,825.01 = 38,986.59/x
  3. Step 3: Cross multiply
    67,264.50x = 92,825.01 × 38,986.59
  4. Step 4: Simplify right side
    67,264.50x = 3,618,930,606.62
  5. Step 5: Solve for x
    x = 3,618,930,606.62/67,264.50
  6. Step 6: Final answer
    x = 53,801.49

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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.