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Finding the Fourth Proportional to 48,988, 73,487.22 and 15,696.16

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Solution

The fourth proportional to 48,988, 73,487.22 and 15,696.16 is: 23,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,988 : 73,487.22 = 15,696.16 : x
  2. Step 2: Convert to fraction form
    48,988/73,487.22 = 15,696.16/x
  3. Step 3: Cross multiply
    48,988x = 73,487.22 × 15,696.16
  4. Step 4: Simplify right side
    48,988x = 1,153,467,163.08
  5. Step 5: Solve for x
    x = 1,153,467,163.08/48,988
  6. Step 6: Final answer
    x = 23,545.91

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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.