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Finding the Fourth Proportional to 63,699.44, 87,904.72 and 34,627.63

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Solution

The fourth proportional to 63,699.44, 87,904.72 and 34,627.63 is: 47,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,699.44 : 87,904.72 = 34,627.63 : x
  2. Step 2: Convert to fraction form
    63,699.44/87,904.72 = 34,627.63/x
  3. Step 3: Cross multiply
    63,699.44x = 87,904.72 × 34,627.63
  4. Step 4: Simplify right side
    63,699.44x = 3,043,931,942.94
  5. Step 5: Solve for x
    x = 3,043,931,942.94/63,699.44
  6. Step 6: Final answer
    x = 47,785.85

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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.