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Finding the Fourth Proportional to 76,996.72, 115,512.36 and 24,409.36

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Solution

The fourth proportional to 76,996.72, 115,512.36 and 24,409.36 is: 36,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,996.72 : 115,512.36 = 24,409.36 : x
  2. Step 2: Convert to fraction form
    76,996.72/115,512.36 = 24,409.36/x
  3. Step 3: Cross multiply
    76,996.72x = 115,512.36 × 24,409.36
  4. Step 4: Simplify right side
    76,996.72x = 2,819,582,779.69
  5. Step 5: Solve for x
    x = 2,819,582,779.69/76,996.72
  6. Step 6: Final answer
    x = 36,619.52

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1.5x scale

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.