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Finding the Fourth Proportional to 22,539.15, 33,810.54 and 7,748.07

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Solution

The fourth proportional to 22,539.15, 33,810.54 and 7,748.07 is: 11,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,539.15 : 33,810.54 = 7,748.07 : x
  2. Step 2: Convert to fraction form
    22,539.15/33,810.54 = 7,748.07/x
  3. Step 3: Cross multiply
    22,539.15x = 33,810.54 × 7,748.07
  4. Step 4: Simplify right side
    22,539.15x = 261,966,430.66
  5. Step 5: Solve for x
    x = 261,966,430.66/22,539.15
  6. Step 6: Final answer
    x = 11,622.73

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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.