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Finding the Fourth Proportional to 53,193.60, 73,393.92 and 34,308

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Solution

The fourth proportional to 53,193.60, 73,393.92 and 34,308 is: 47,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,193.60 : 73,393.92 = 34,308 : x
  2. Step 2: Convert to fraction form
    53,193.60/73,393.92 = 34,308/x
  3. Step 3: Cross multiply
    53,193.60x = 73,393.92 × 34,308
  4. Step 4: Simplify right side
    53,193.60x = 2,517,998,607.36
  5. Step 5: Solve for x
    x = 2,517,998,607.36/53,193.60
  6. Step 6: Final answer
    x = 47,336.50

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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.