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Finding the Fourth Proportional to 69,345.47, 104,033.88 and 21,963.44

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Solution

The fourth proportional to 69,345.47, 104,033.88 and 21,963.44 is: 32,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,345.47 : 104,033.88 = 21,963.44 : x
  2. Step 2: Convert to fraction form
    69,345.47/104,033.88 = 21,963.44/x
  3. Step 3: Cross multiply
    69,345.47x = 104,033.88 × 21,963.44
  4. Step 4: Simplify right side
    69,345.47x = 2,284,941,881.35
  5. Step 5: Solve for x
    x = 2,284,941,881.35/69,345.47
  6. Step 6: Final answer
    x = 32,950.12

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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.