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Finding the Fourth Proportional to 65,674.64, 98,560.02 and 26,243.30

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Solution

The fourth proportional to 65,674.64, 98,560.02 and 26,243.30 is: 39,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,674.64 : 98,560.02 = 26,243.30 : x
  2. Step 2: Convert to fraction form
    65,674.64/98,560.02 = 26,243.30/x
  3. Step 3: Cross multiply
    65,674.64x = 98,560.02 × 26,243.30
  4. Step 4: Simplify right side
    65,674.64x = 2,586,540,172.87
  5. Step 5: Solve for x
    x = 2,586,540,172.87/65,674.64
  6. Step 6: Final answer
    x = 39,384.15

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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.