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Finding the Fourth Proportional to 21,833.70, 32,750.55 and 9,351.60

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Solution

The fourth proportional to 21,833.70, 32,750.55 and 9,351.60 is: 14,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,833.70 : 32,750.55 = 9,351.60 : x
  2. Step 2: Convert to fraction form
    21,833.70/32,750.55 = 9,351.60/x
  3. Step 3: Cross multiply
    21,833.70x = 32,750.55 × 9,351.60
  4. Step 4: Simplify right side
    21,833.70x = 306,270,043.38
  5. Step 5: Solve for x
    x = 306,270,043.38/21,833.70
  6. Step 6: Final answer
    x = 14,027.40

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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.