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Finding the Fourth Proportional to 65,591.36, 98,415.84 and 34,419.32

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Solution

The fourth proportional to 65,591.36, 98,415.84 and 34,419.32 is: 51,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,591.36 : 98,415.84 = 34,419.32 : x
  2. Step 2: Convert to fraction form
    65,591.36/98,415.84 = 34,419.32/x
  3. Step 3: Cross multiply
    65,591.36x = 98,415.84 × 34,419.32
  4. Step 4: Simplify right side
    65,591.36x = 3,387,406,290.03
  5. Step 5: Solve for x
    x = 3,387,406,290.03/65,591.36
  6. Step 6: Final answer
    x = 51,644.09

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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.