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Finding the Fourth Proportional to 59,870.66, 82,621.41 and 33,013.20

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Solution

The fourth proportional to 59,870.66, 82,621.41 and 33,013.20 is: 45,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,870.66 : 82,621.41 = 33,013.20 : x
  2. Step 2: Convert to fraction form
    59,870.66/82,621.41 = 33,013.20/x
  3. Step 3: Cross multiply
    59,870.66x = 82,621.41 × 33,013.20
  4. Step 4: Simplify right side
    59,870.66x = 2,727,597,132.61
  5. Step 5: Solve for x
    x = 2,727,597,132.61/59,870.66
  6. Step 6: Final answer
    x = 45,558.16

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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.