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Finding the Fourth Proportional to 55,099.66, 82,650.18 and 15,656.71

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Solution

The fourth proportional to 55,099.66, 82,650.18 and 15,656.71 is: 23,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,099.66 : 82,650.18 = 15,656.71 : x
  2. Step 2: Convert to fraction form
    55,099.66/82,650.18 = 15,656.71/x
  3. Step 3: Cross multiply
    55,099.66x = 82,650.18 × 15,656.71
  4. Step 4: Simplify right side
    55,099.66x = 1,294,029,899.71
  5. Step 5: Solve for x
    x = 1,294,029,899.71/55,099.66
  6. Step 6: Final answer
    x = 23,485.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.