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Finding the Fourth Proportional to 32,778.68, 49,129.12 and 17,994.56

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Solution

The fourth proportional to 32,778.68, 49,129.12 and 17,994.56 is: 26,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,778.68 : 49,129.12 = 17,994.56 : x
  2. Step 2: Convert to fraction form
    32,778.68/49,129.12 = 17,994.56/x
  3. Step 3: Cross multiply
    32,778.68x = 49,129.12 × 17,994.56
  4. Step 4: Simplify right side
    32,778.68x = 884,056,897.59
  5. Step 5: Solve for x
    x = 884,056,897.59/32,778.68
  6. Step 6: Final answer
    x = 26,970.49

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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.