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Finding the Fourth Proportional to 60,601.32, 90,871.55 and 35,309.02

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Solution

The fourth proportional to 60,601.32, 90,871.55 and 35,309.02 is: 52,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,601.32 : 90,871.55 = 35,309.02 : x
  2. Step 2: Convert to fraction form
    60,601.32/90,871.55 = 35,309.02/x
  3. Step 3: Cross multiply
    60,601.32x = 90,871.55 × 35,309.02
  4. Step 4: Simplify right side
    60,601.32x = 3,208,584,745.48
  5. Step 5: Solve for x
    x = 3,208,584,745.48/60,601.32
  6. Step 6: Final answer
    x = 52,945.79

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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.