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Finding the Fourth Proportional to 21,454.25, 32,150.71 and 9,432.01

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Solution

The fourth proportional to 21,454.25, 32,150.71 and 9,432.01 is: 14,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.25 : 32,150.71 = 9,432.01 : x
  2. Step 2: Convert to fraction form
    21,454.25/32,150.71 = 9,432.01/x
  3. Step 3: Cross multiply
    21,454.25x = 32,150.71 × 9,432.01
  4. Step 4: Simplify right side
    21,454.25x = 303,245,610.31
  5. Step 5: Solve for x
    x = 303,245,610.31/21,454.25
  6. Step 6: Final answer
    x = 14,134.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.