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Finding the Fourth Proportional to 55,773.59, 83,628.95 and 18,323.61

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Solution

The fourth proportional to 55,773.59, 83,628.95 and 18,323.61 is: 27,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,773.59 : 83,628.95 = 18,323.61 : x
  2. Step 2: Convert to fraction form
    55,773.59/83,628.95 = 18,323.61/x
  3. Step 3: Cross multiply
    55,773.59x = 83,628.95 × 18,323.61
  4. Step 4: Simplify right side
    55,773.59x = 1,532,384,264.51
  5. Step 5: Solve for x
    x = 1,532,384,264.51/55,773.59
  6. Step 6: Final answer
    x = 27,475.09

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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.