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Finding the Fourth Proportional to 65,708.64, 98,562.87 and 26,274.99

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Solution

The fourth proportional to 65,708.64, 98,562.87 and 26,274.99 is: 39,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,708.64 : 98,562.87 = 26,274.99 : x
  2. Step 2: Convert to fraction form
    65,708.64/98,562.87 = 26,274.99/x
  3. Step 3: Cross multiply
    65,708.64x = 98,562.87 × 26,274.99
  4. Step 4: Simplify right side
    65,708.64x = 2,589,738,423.62
  5. Step 5: Solve for x
    x = 2,589,738,423.62/65,708.64
  6. Step 6: Final answer
    x = 39,412.45

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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.