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Finding the Fourth Proportional to 58,601.44, 80,870.36 and 32,760

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Solution

The fourth proportional to 58,601.44, 80,870.36 and 32,760 is: 45,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,601.44 : 80,870.36 = 32,760 : x
  2. Step 2: Convert to fraction form
    58,601.44/80,870.36 = 32,760/x
  3. Step 3: Cross multiply
    58,601.44x = 80,870.36 × 32,760
  4. Step 4: Simplify right side
    58,601.44x = 2,649,312,993.60
  5. Step 5: Solve for x
    x = 2,649,312,993.60/58,601.44
  6. Step 6: Final answer
    x = 45,209.01

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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.