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Finding the Fourth Proportional to 65,834.60, 98,710.39 and 36,273.20

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Solution

The fourth proportional to 65,834.60, 98,710.39 and 36,273.20 is: 54,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,834.60 : 98,710.39 = 36,273.20 : x
  2. Step 2: Convert to fraction form
    65,834.60/98,710.39 = 36,273.20/x
  3. Step 3: Cross multiply
    65,834.60x = 98,710.39 × 36,273.20
  4. Step 4: Simplify right side
    65,834.60x = 3,580,541,477.09
  5. Step 5: Solve for x
    x = 3,580,541,477.09/65,834.60
  6. Step 6: Final answer
    x = 54,386.92

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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.