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Finding the Fourth Proportional to 57,963.52, 79,996.80 and 32,812.48

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Solution

The fourth proportional to 57,963.52, 79,996.80 and 32,812.48 is: 45,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,963.52 : 79,996.80 = 32,812.48 : x
  2. Step 2: Convert to fraction form
    57,963.52/79,996.80 = 32,812.48/x
  3. Step 3: Cross multiply
    57,963.52x = 79,996.80 × 32,812.48
  4. Step 4: Simplify right side
    57,963.52x = 2,624,893,400.06
  5. Step 5: Solve for x
    x = 2,624,893,400.06/57,963.52
  6. Step 6: Final answer
    x = 45,285.27

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1.5x scale

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.