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Finding the Fourth Proportional to 59,940.88, 82,718.24 and 33,083.20

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Solution

The fourth proportional to 59,940.88, 82,718.24 and 33,083.20 is: 45,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,940.88 : 82,718.24 = 33,083.20 : x
  2. Step 2: Convert to fraction form
    59,940.88/82,718.24 = 33,083.20/x
  3. Step 3: Cross multiply
    59,940.88x = 82,718.24 × 33,083.20
  4. Step 4: Simplify right side
    59,940.88x = 2,736,583,705.36
  5. Step 5: Solve for x
    x = 2,736,583,705.36/59,940.88
  6. Step 6: Final answer
    x = 45,654.72

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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.