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Finding the Fourth Proportional to 60,577.56, 90,835.81 and 35,285.21

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Solution

The fourth proportional to 60,577.56, 90,835.81 and 35,285.21 is: 52,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577.56 : 90,835.81 = 35,285.21 : x
  2. Step 2: Convert to fraction form
    60,577.56/90,835.81 = 35,285.21/x
  3. Step 3: Cross multiply
    60,577.56x = 90,835.81 × 35,285.21
  4. Step 4: Simplify right side
    60,577.56x = 3,205,160,631.37
  5. Step 5: Solve for x
    x = 3,205,160,631.37/60,577.56
  6. Step 6: Final answer
    x = 52,910.03

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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.