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Finding the Fourth Proportional to 63,594.69, 87,742.89 and 39,745.59

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Solution

The fourth proportional to 63,594.69, 87,742.89 and 39,745.59 is: 54,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,594.69 : 87,742.89 = 39,745.59 : x
  2. Step 2: Convert to fraction form
    63,594.69/87,742.89 = 39,745.59/x
  3. Step 3: Cross multiply
    63,594.69x = 87,742.89 × 39,745.59
  4. Step 4: Simplify right side
    63,594.69x = 3,487,392,931.36
  5. Step 5: Solve for x
    x = 3,487,392,931.36/63,594.69
  6. Step 6: Final answer
    x = 54,837.80

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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.