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Finding the Fourth Proportional to 32,963.52, 45,489.44 and 18,628

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Solution

The fourth proportional to 32,963.52, 45,489.44 and 18,628 is: 25,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,963.52 : 45,489.44 = 18,628 : x
  2. Step 2: Convert to fraction form
    32,963.52/45,489.44 = 18,628/x
  3. Step 3: Cross multiply
    32,963.52x = 45,489.44 × 18,628
  4. Step 4: Simplify right side
    32,963.52x = 847,377,288.32
  5. Step 5: Solve for x
    x = 847,377,288.32/32,963.52
  6. Step 6: Final answer
    x = 25,706.52

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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.