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Finding the Fourth Proportional to 63,410.60, 87,505.76 and 34,729.94

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Solution

The fourth proportional to 63,410.60, 87,505.76 and 34,729.94 is: 47,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,410.60 : 87,505.76 = 34,729.94 : x
  2. Step 2: Convert to fraction form
    63,410.60/87,505.76 = 34,729.94/x
  3. Step 3: Cross multiply
    63,410.60x = 87,505.76 × 34,729.94
  4. Step 4: Simplify right side
    63,410.60x = 3,039,069,794.45
  5. Step 5: Solve for x
    x = 3,039,069,794.45/63,410.60
  6. Step 6: Final answer
    x = 47,926.84

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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.