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Finding the Fourth Proportional to 60,571.97, 90,862.56 and 18,455.64

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Solution

The fourth proportional to 60,571.97, 90,862.56 and 18,455.64 is: 27,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,571.97 : 90,862.56 = 18,455.64 : x
  2. Step 2: Convert to fraction form
    60,571.97/90,862.56 = 18,455.64/x
  3. Step 3: Cross multiply
    60,571.97x = 90,862.56 × 18,455.64
  4. Step 4: Simplify right side
    60,571.97x = 1,676,926,696.84
  5. Step 5: Solve for x
    x = 1,676,926,696.84/60,571.97
  6. Step 6: Final answer
    x = 27,684.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.