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Finding the Fourth Proportional to 67,282.64, 92,177.64 and 64,760.28

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Solution

The fourth proportional to 67,282.64, 92,177.64 and 64,760.28 is: 88,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,282.64 : 92,177.64 = 64,760.28 : x
  2. Step 2: Convert to fraction form
    67,282.64/92,177.64 = 64,760.28/x
  3. Step 3: Cross multiply
    67,282.64x = 92,177.64 × 64,760.28
  4. Step 4: Simplify right side
    67,282.64x = 5,969,449,776.14
  5. Step 5: Solve for x
    x = 5,969,449,776.14/67,282.64
  6. Step 6: Final answer
    x = 88,721.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.