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Finding the Fourth Proportional to 67,907.54, 101,803.39 and 25,764.05

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Solution

The fourth proportional to 67,907.54, 101,803.39 and 25,764.05 is: 38,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,907.54 : 101,803.39 = 25,764.05 : x
  2. Step 2: Convert to fraction form
    67,907.54/101,803.39 = 25,764.05/x
  3. Step 3: Cross multiply
    67,907.54x = 101,803.39 × 25,764.05
  4. Step 4: Simplify right side
    67,907.54x = 2,622,867,630.13
  5. Step 5: Solve for x
    x = 2,622,867,630.13/67,907.54
  6. Step 6: Final answer
    x = 38,624.10

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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.