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Finding the Fourth Proportional to 65,941.60, 98,902.24 and 21,568.60

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Solution

The fourth proportional to 65,941.60, 98,902.24 and 21,568.60 is: 32,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,941.60 : 98,902.24 = 21,568.60 : x
  2. Step 2: Convert to fraction form
    65,941.60/98,902.24 = 21,568.60/x
  3. Step 3: Cross multiply
    65,941.60x = 98,902.24 × 21,568.60
  4. Step 4: Simplify right side
    65,941.60x = 2,133,182,853.66
  5. Step 5: Solve for x
    x = 2,133,182,853.66/65,941.60
  6. Step 6: Final answer
    x = 32,349.58

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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.