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Finding the Fourth Proportional to 69,604.57, 96,053.28 and 40,927.47

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Solution

The fourth proportional to 69,604.57, 96,053.28 and 40,927.47 is: 56,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,604.57 : 96,053.28 = 40,927.47 : x
  2. Step 2: Convert to fraction form
    69,604.57/96,053.28 = 40,927.47/x
  3. Step 3: Cross multiply
    69,604.57x = 96,053.28 × 40,927.47
  4. Step 4: Simplify right side
    69,604.57x = 3,931,217,735.60
  5. Step 5: Solve for x
    x = 3,931,217,735.60/69,604.57
  6. Step 6: Final answer
    x = 56,479.30

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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.