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Finding the Fourth Proportional to 67,264.88, 92,825.53 and 38,986.97

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Solution

The fourth proportional to 67,264.88, 92,825.53 and 38,986.97 is: 53,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,264.88 : 92,825.53 = 38,986.97 : x
  2. Step 2: Convert to fraction form
    67,264.88/92,825.53 = 38,986.97/x
  3. Step 3: Cross multiply
    67,264.88x = 92,825.53 × 38,986.97
  4. Step 4: Simplify right side
    67,264.88x = 3,618,985,591.75
  5. Step 5: Solve for x
    x = 3,618,985,591.75/67,264.88
  6. Step 6: Final answer
    x = 53,802.01

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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.