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Finding the Fourth Proportional to 35,019.72, 48,318.60 and 22,461.48

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Solution

The fourth proportional to 35,019.72, 48,318.60 and 22,461.48 is: 30,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,019.72 : 48,318.60 = 22,461.48 : x
  2. Step 2: Convert to fraction form
    35,019.72/48,318.60 = 22,461.48/x
  3. Step 3: Cross multiply
    35,019.72x = 48,318.60 × 22,461.48
  4. Step 4: Simplify right side
    35,019.72x = 1,085,307,267.53
  5. Step 5: Solve for x
    x = 1,085,307,267.53/35,019.72
  6. Step 6: Final answer
    x = 30,991.32

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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.