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Finding the Fourth Proportional to 77,783.88, 116,675.81 and 22,379.88

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Solution

The fourth proportional to 77,783.88, 116,675.81 and 22,379.88 is: 33,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,783.88 : 116,675.81 = 22,379.88 : x
  2. Step 2: Convert to fraction form
    77,783.88/116,675.81 = 22,379.88/x
  3. Step 3: Cross multiply
    77,783.88x = 116,675.81 × 22,379.88
  4. Step 4: Simplify right side
    77,783.88x = 2,611,190,099.27
  5. Step 5: Solve for x
    x = 2,611,190,099.27/77,783.88
  6. Step 6: Final answer
    x = 33,569.81

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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.