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Finding the Fourth Proportional to 63,742.59, 87,963.53 and 35,447.67

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Solution

The fourth proportional to 63,742.59, 87,963.53 and 35,447.67 is: 48,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,742.59 : 87,963.53 = 35,447.67 : x
  2. Step 2: Convert to fraction form
    63,742.59/87,963.53 = 35,447.67/x
  3. Step 3: Cross multiply
    63,742.59x = 87,963.53 × 35,447.67
  4. Step 4: Simplify right side
    63,742.59x = 3,118,102,006.24
  5. Step 5: Solve for x
    x = 3,118,102,006.24/63,742.59
  6. Step 6: Final answer
    x = 48,917.09

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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.