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Finding the Fourth Proportional to 65,769.52, 98,659.68 and 28,330.48

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Solution

The fourth proportional to 65,769.52, 98,659.68 and 28,330.48 is: 42,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769.52 : 98,659.68 = 28,330.48 : x
  2. Step 2: Convert to fraction form
    65,769.52/98,659.68 = 28,330.48/x
  3. Step 3: Cross multiply
    65,769.52x = 98,659.68 × 28,330.48
  4. Step 4: Simplify right side
    65,769.52x = 2,795,076,091.05
  5. Step 5: Solve for x
    x = 2,795,076,091.05/65,769.52
  6. Step 6: Final answer
    x = 42,498.05

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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.