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Finding the Fourth Proportional to 63,564.75, 87,719.36 and 35,274.99

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Solution

The fourth proportional to 63,564.75, 87,719.36 and 35,274.99 is: 48,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,564.75 : 87,719.36 = 35,274.99 : x
  2. Step 2: Convert to fraction form
    63,564.75/87,719.36 = 35,274.99/x
  3. Step 3: Cross multiply
    63,564.75x = 87,719.36 × 35,274.99
  4. Step 4: Simplify right side
    63,564.75x = 3,094,299,370.43
  5. Step 5: Solve for x
    x = 3,094,299,370.43/63,564.75
  6. Step 6: Final answer
    x = 48,679.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.