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Finding the Fourth Proportional to 57,368.74, 86,019.70 and 22,267.39

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Solution

The fourth proportional to 57,368.74, 86,019.70 and 22,267.39 is: 33,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,368.74 : 86,019.70 = 22,267.39 : x
  2. Step 2: Convert to fraction form
    57,368.74/86,019.70 = 22,267.39/x
  3. Step 3: Cross multiply
    57,368.74x = 86,019.70 × 22,267.39
  4. Step 4: Simplify right side
    57,368.74x = 1,915,434,207.58
  5. Step 5: Solve for x
    x = 1,915,434,207.58/57,368.74
  6. Step 6: Final answer
    x = 33,388.12

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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.