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Finding the Fourth Proportional to 59,878.80, 89,768.88 and 23,858.88

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Solution

The fourth proportional to 59,878.80, 89,768.88 and 23,858.88 is: 35,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,878.80 : 89,768.88 = 23,858.88 : x
  2. Step 2: Convert to fraction form
    59,878.80/89,768.88 = 23,858.88/x
  3. Step 3: Cross multiply
    59,878.80x = 89,768.88 × 23,858.88
  4. Step 4: Simplify right side
    59,878.80x = 2,141,784,935.65
  5. Step 5: Solve for x
    x = 2,141,784,935.65/59,878.80
  6. Step 6: Final answer
    x = 35,768.67

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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.