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Finding the Fourth Proportional to 21,252.95, 32,038.60 and 19,825.73

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Solution

The fourth proportional to 21,252.95, 32,038.60 and 19,825.73 is: 29,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.95 : 32,038.60 = 19,825.73 : x
  2. Step 2: Convert to fraction form
    21,252.95/32,038.60 = 19,825.73/x
  3. Step 3: Cross multiply
    21,252.95x = 32,038.60 × 19,825.73
  4. Step 4: Simplify right side
    21,252.95x = 635,188,633.18
  5. Step 5: Solve for x
    x = 635,188,633.18/21,252.95
  6. Step 6: Final answer
    x = 29,887.08

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.