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Finding the Fourth Proportional to 65,701.68, 98,552.52 and 28,273.20

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Solution

The fourth proportional to 65,701.68, 98,552.52 and 28,273.20 is: 42,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,701.68 : 98,552.52 = 28,273.20 : x
  2. Step 2: Convert to fraction form
    65,701.68/98,552.52 = 28,273.20/x
  3. Step 3: Cross multiply
    65,701.68x = 98,552.52 × 28,273.20
  4. Step 4: Simplify right side
    65,701.68x = 2,786,395,108.46
  5. Step 5: Solve for x
    x = 2,786,395,108.46/65,701.68
  6. Step 6: Final answer
    x = 42,409.80

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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.