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Finding the Fourth Proportional to 57,807.27, 79,750.98 and 35,138.61

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Solution

The fourth proportional to 57,807.27, 79,750.98 and 35,138.61 is: 48,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807.27 : 79,750.98 = 35,138.61 : x
  2. Step 2: Convert to fraction form
    57,807.27/79,750.98 = 35,138.61/x
  3. Step 3: Cross multiply
    57,807.27x = 79,750.98 × 35,138.61
  4. Step 4: Simplify right side
    57,807.27x = 2,802,338,583.34
  5. Step 5: Solve for x
    x = 2,802,338,583.34/57,807.27
  6. Step 6: Final answer
    x = 48,477.27

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Why These Related Problems?

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