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Finding the Fourth Proportional to 53,289.52, 79,892.88 and 34,529.92

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Solution

The fourth proportional to 53,289.52, 79,892.88 and 34,529.92 is: 51,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,289.52 : 79,892.88 = 34,529.92 : x
  2. Step 2: Convert to fraction form
    53,289.52/79,892.88 = 34,529.92/x
  3. Step 3: Cross multiply
    53,289.52x = 79,892.88 × 34,529.92
  4. Step 4: Simplify right side
    53,289.52x = 2,758,694,754.97
  5. Step 5: Solve for x
    x = 2,758,694,754.97/53,289.52
  6. Step 6: Final answer
    x = 51,768.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.