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Finding the Fourth Proportional to 60,788.40, 83,889.32 and 33,564.40

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Solution

The fourth proportional to 60,788.40, 83,889.32 and 33,564.40 is: 46,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,788.40 : 83,889.32 = 33,564.40 : x
  2. Step 2: Convert to fraction form
    60,788.40/83,889.32 = 33,564.40/x
  3. Step 3: Cross multiply
    60,788.40x = 83,889.32 × 33,564.40
  4. Step 4: Simplify right side
    60,788.40x = 2,815,694,692.21
  5. Step 5: Solve for x
    x = 2,815,694,692.21/60,788.40
  6. Step 6: Final answer
    x = 46,319.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.