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Finding the Fourth Proportional to 34,881.84, 48,117.24 and 20,739.24

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Solution

The fourth proportional to 34,881.84, 48,117.24 and 20,739.24 is: 28,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,881.84 : 48,117.24 = 20,739.24 : x
  2. Step 2: Convert to fraction form
    34,881.84/48,117.24 = 20,739.24/x
  3. Step 3: Cross multiply
    34,881.84x = 48,117.24 × 20,739.24
  4. Step 4: Simplify right side
    34,881.84x = 997,914,988.50
  5. Step 5: Solve for x
    x = 997,914,988.50/34,881.84
  6. Step 6: Final answer
    x = 28,608.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.