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Finding the Fourth Proportional to 63,564.63, 87,719.19 and 35,274.87

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Solution

The fourth proportional to 63,564.63, 87,719.19 and 35,274.87 is: 48,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,564.63 : 87,719.19 = 35,274.87 : x
  2. Step 2: Convert to fraction form
    63,564.63/87,719.19 = 35,274.87/x
  3. Step 3: Cross multiply
    63,564.63x = 87,719.19 × 35,274.87
  4. Step 4: Simplify right side
    63,564.63x = 3,094,282,408.79
  5. Step 5: Solve for x
    x = 3,094,282,408.79/63,564.63
  6. Step 6: Final answer
    x = 48,679.32

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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.