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Finding the Fourth Proportional to 56,576.77, 84,855.80 and 18,626.54

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Solution

The fourth proportional to 56,576.77, 84,855.80 and 18,626.54 is: 27,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,576.77 : 84,855.80 = 18,626.54 : x
  2. Step 2: Convert to fraction form
    56,576.77/84,855.80 = 18,626.54/x
  3. Step 3: Cross multiply
    56,576.77x = 84,855.80 × 18,626.54
  4. Step 4: Simplify right side
    56,576.77x = 1,580,569,575.22
  5. Step 5: Solve for x
    x = 1,580,569,575.22/56,576.77
  6. Step 6: Final answer
    x = 27,936.72

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1.5x scale

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.