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Finding the Fourth Proportional to 65,351.40, 98,059.53 and 25,907.64

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Solution

The fourth proportional to 65,351.40, 98,059.53 and 25,907.64 is: 38,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,351.40 : 98,059.53 = 25,907.64 : x
  2. Step 2: Convert to fraction form
    65,351.40/98,059.53 = 25,907.64/x
  3. Step 3: Cross multiply
    65,351.40x = 98,059.53 × 25,907.64
  4. Step 4: Simplify right side
    65,351.40x = 2,540,491,001.81
  5. Step 5: Solve for x
    x = 2,540,491,001.81/65,351.40
  6. Step 6: Final answer
    x = 38,874.32

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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.