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Finding the Fourth Proportional to 82,734.69, 124,121.48 and 23,571.21

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Solution

The fourth proportional to 82,734.69, 124,121.48 and 23,571.21 is: 35,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,734.69 : 124,121.48 = 23,571.21 : x
  2. Step 2: Convert to fraction form
    82,734.69/124,121.48 = 23,571.21/x
  3. Step 3: Cross multiply
    82,734.69x = 124,121.48 × 23,571.21
  4. Step 4: Simplify right side
    82,734.69x = 2,925,693,352.73
  5. Step 5: Solve for x
    x = 2,925,693,352.73/82,734.69
  6. Step 6: Final answer
    x = 35,362.35

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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.