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Finding the Fourth Proportional to 21,752.52, 32,639.94 and 10,659

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Solution

The fourth proportional to 21,752.52, 32,639.94 and 10,659 is: 15,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.52 : 32,639.94 = 10,659 : x
  2. Step 2: Convert to fraction form
    21,752.52/32,639.94 = 10,659/x
  3. Step 3: Cross multiply
    21,752.52x = 32,639.94 × 10,659
  4. Step 4: Simplify right side
    21,752.52x = 347,909,120.46
  5. Step 5: Solve for x
    x = 347,909,120.46/21,752.52
  6. Step 6: Final answer
    x = 15,993.97

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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.