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Finding the Fourth Proportional to 65,832.96, 98,519.76 and 53,848.20

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Solution

The fourth proportional to 65,832.96, 98,519.76 and 53,848.20 is: 80,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,832.96 : 98,519.76 = 53,848.20 : x
  2. Step 2: Convert to fraction form
    65,832.96/98,519.76 = 53,848.20/x
  3. Step 3: Cross multiply
    65,832.96x = 98,519.76 × 53,848.20
  4. Step 4: Simplify right side
    65,832.96x = 5,305,111,740.43
  5. Step 5: Solve for x
    x = 5,305,111,740.43/65,832.96
  6. Step 6: Final answer
    x = 80,584.43

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1.5x scale

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.