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Finding the Fourth Proportional to 74,594.71, 102,953.19 and 47,735.92

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Solution

The fourth proportional to 74,594.71, 102,953.19 and 47,735.92 is: 65,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,594.71 : 102,953.19 = 47,735.92 : x
  2. Step 2: Convert to fraction form
    74,594.71/102,953.19 = 47,735.92/x
  3. Step 3: Cross multiply
    74,594.71x = 102,953.19 × 47,735.92
  4. Step 4: Simplify right side
    74,594.71x = 4,914,565,241.58
  5. Step 5: Solve for x
    x = 4,914,565,241.58/74,594.71
  6. Step 6: Final answer
    x = 65,883.56

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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.