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Finding the Fourth Proportional to 67,879.47, 101,820.49 and 23,507.67

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Solution

The fourth proportional to 67,879.47, 101,820.49 and 23,507.67 is: 35,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,879.47 : 101,820.49 = 23,507.67 : x
  2. Step 2: Convert to fraction form
    67,879.47/101,820.49 = 23,507.67/x
  3. Step 3: Cross multiply
    67,879.47x = 101,820.49 × 23,507.67
  4. Step 4: Simplify right side
    67,879.47x = 2,393,562,360.71
  5. Step 5: Solve for x
    x = 2,393,562,360.71/67,879.47
  6. Step 6: Final answer
    x = 35,261.95

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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.