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Finding the Fourth Proportional to 69,011.52, 103,612.06 and 35,754.54

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Solution

The fourth proportional to 69,011.52, 103,612.06 and 35,754.54 is: 53,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,011.52 : 103,612.06 = 35,754.54 : x
  2. Step 2: Convert to fraction form
    69,011.52/103,612.06 = 35,754.54/x
  3. Step 3: Cross multiply
    69,011.52x = 103,612.06 × 35,754.54
  4. Step 4: Simplify right side
    69,011.52x = 3,704,601,543.75
  5. Step 5: Solve for x
    x = 3,704,601,543.75/69,011.52
  6. Step 6: Final answer
    x = 53,680.92

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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.