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Finding the Fourth Proportional to 65,474.76, 98,255.16 and 35,913.36

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Solution

The fourth proportional to 65,474.76, 98,255.16 and 35,913.36 is: 53,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,474.76 : 98,255.16 = 35,913.36 : x
  2. Step 2: Convert to fraction form
    65,474.76/98,255.16 = 35,913.36/x
  3. Step 3: Cross multiply
    65,474.76x = 98,255.16 × 35,913.36
  4. Step 4: Simplify right side
    65,474.76x = 3,528,672,932.94
  5. Step 5: Solve for x
    x = 3,528,672,932.94/65,474.76
  6. Step 6: Final answer
    x = 53,893.64

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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.