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Finding the Fourth Proportional to 77,783.38, 116,675.06 and 22,379.38

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Solution

The fourth proportional to 77,783.38, 116,675.06 and 22,379.38 is: 33,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,783.38 : 116,675.06 = 22,379.38 : x
  2. Step 2: Convert to fraction form
    77,783.38/116,675.06 = 22,379.38/x
  3. Step 3: Cross multiply
    77,783.38x = 116,675.06 × 22,379.38
  4. Step 4: Simplify right side
    77,783.38x = 2,611,115,504.26
  5. Step 5: Solve for x
    x = 2,611,115,504.26/77,783.38
  6. Step 6: Final answer
    x = 33,569.07

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Similar ratio
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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.