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Finding the Fourth Proportional to 52,625.60, 78,885.21 and 22,659.38

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Solution

The fourth proportional to 52,625.60, 78,885.21 and 22,659.38 is: 33,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,625.60 : 78,885.21 = 22,659.38 : x
  2. Step 2: Convert to fraction form
    52,625.60/78,885.21 = 22,659.38/x
  3. Step 3: Cross multiply
    52,625.60x = 78,885.21 × 22,659.38
  4. Step 4: Simplify right side
    52,625.60x = 1,787,490,231.96
  5. Step 5: Solve for x
    x = 1,787,490,231.96/52,625.60
  6. Step 6: Final answer
    x = 33,966.17

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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.