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Finding the Fourth Proportional to 59,966.64, 82,751.82 and 33,108.60

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Solution

The fourth proportional to 59,966.64, 82,751.82 and 33,108.60 is: 45,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,966.64 : 82,751.82 = 33,108.60 : x
  2. Step 2: Convert to fraction form
    59,966.64/82,751.82 = 33,108.60/x
  3. Step 3: Cross multiply
    59,966.64x = 82,751.82 × 33,108.60
  4. Step 4: Simplify right side
    59,966.64x = 2,739,796,907.65
  5. Step 5: Solve for x
    x = 2,739,796,907.65/59,966.64
  6. Step 6: Final answer
    x = 45,688.68

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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.