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Finding the Fourth Proportional to 55,798.66, 83,703.50 and 18,343.54

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Solution

The fourth proportional to 55,798.66, 83,703.50 and 18,343.54 is: 27,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,798.66 : 83,703.50 = 18,343.54 : x
  2. Step 2: Convert to fraction form
    55,798.66/83,703.50 = 18,343.54/x
  3. Step 3: Cross multiply
    55,798.66x = 83,703.50 × 18,343.54
  4. Step 4: Simplify right side
    55,798.66x = 1,535,418,500.39
  5. Step 5: Solve for x
    x = 1,535,418,500.39/55,798.66
  6. Step 6: Final answer
    x = 27,517.12

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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.