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Finding the Fourth Proportional to 65,862.80, 98,721.72 and 32,533.52

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Solution

The fourth proportional to 65,862.80, 98,721.72 and 32,533.52 is: 48,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862.80 : 98,721.72 = 32,533.52 : x
  2. Step 2: Convert to fraction form
    65,862.80/98,721.72 = 32,533.52/x
  3. Step 3: Cross multiply
    65,862.80x = 98,721.72 × 32,533.52
  4. Step 4: Simplify right side
    65,862.80x = 3,211,765,052.05
  5. Step 5: Solve for x
    x = 3,211,765,052.05/65,862.80
  6. Step 6: Final answer
    x = 48,764.48

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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.