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Finding the Fourth Proportional to 60,021.29, 82,830.11 and 33,163.55

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Solution

The fourth proportional to 60,021.29, 82,830.11 and 33,163.55 is: 45,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,021.29 : 82,830.11 = 33,163.55 : x
  2. Step 2: Convert to fraction form
    60,021.29/82,830.11 = 33,163.55/x
  3. Step 3: Cross multiply
    60,021.29x = 82,830.11 × 33,163.55
  4. Step 4: Simplify right side
    60,021.29x = 2,746,939,914.52
  5. Step 5: Solve for x
    x = 2,746,939,914.52/60,021.29
  6. Step 6: Final answer
    x = 45,766.10

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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.