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Finding the Fourth Proportional to 76,950.52, 115,442.80 and 23,649.92

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Solution

The fourth proportional to 76,950.52, 115,442.80 and 23,649.92 is: 35,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,950.52 : 115,442.80 = 23,649.92 : x
  2. Step 2: Convert to fraction form
    76,950.52/115,442.80 = 23,649.92/x
  3. Step 3: Cross multiply
    76,950.52x = 115,442.80 × 23,649.92
  4. Step 4: Simplify right side
    76,950.52x = 2,730,212,984.58
  5. Step 5: Solve for x
    x = 2,730,212,984.58/76,950.52
  6. Step 6: Final answer
    x = 35,480.11

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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.