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Finding the Fourth Proportional to 55,476.70, 83,219.62 and 18,035.91

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Solution

The fourth proportional to 55,476.70, 83,219.62 and 18,035.91 is: 27,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,476.70 : 83,219.62 = 18,035.91 : x
  2. Step 2: Convert to fraction form
    55,476.70/83,219.62 = 18,035.91/x
  3. Step 3: Cross multiply
    55,476.70x = 83,219.62 × 18,035.91
  4. Step 4: Simplify right side
    55,476.70x = 1,500,941,829.69
  5. Step 5: Solve for x
    x = 1,500,941,829.69/55,476.70
  6. Step 6: Final answer
    x = 27,055.36

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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.