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Finding the Fourth Proportional to 32,652.52, 45,047.48 and 21,318.39

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Solution

The fourth proportional to 32,652.52, 45,047.48 and 21,318.39 is: 29,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,652.52 : 45,047.48 = 21,318.39 : x
  2. Step 2: Convert to fraction form
    32,652.52/45,047.48 = 21,318.39/x
  3. Step 3: Cross multiply
    32,652.52x = 45,047.48 × 21,318.39
  4. Step 4: Simplify right side
    32,652.52x = 960,339,640.57
  5. Step 5: Solve for x
    x = 960,339,640.57/32,652.52
  6. Step 6: Final answer
    x = 29,410.89

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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.