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Finding the Fourth Proportional to 32,436, 48,591.06 and 21,308.92

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Solution

The fourth proportional to 32,436, 48,591.06 and 21,308.92 is: 31,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,436 : 48,591.06 = 21,308.92 : x
  2. Step 2: Convert to fraction form
    32,436/48,591.06 = 21,308.92/x
  3. Step 3: Cross multiply
    32,436x = 48,591.06 × 21,308.92
  4. Step 4: Simplify right side
    32,436x = 1,035,423,010.26
  5. Step 5: Solve for x
    x = 1,035,423,010.26/32,436
  6. Step 6: Final answer
    x = 31,922.03

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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.