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Finding the Fourth Proportional to 36,099.78, 54,149.54 and 9,804.48

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Solution

The fourth proportional to 36,099.78, 54,149.54 and 9,804.48 is: 14,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,099.78 : 54,149.54 = 9,804.48 : x
  2. Step 2: Convert to fraction form
    36,099.78/54,149.54 = 9,804.48/x
  3. Step 3: Cross multiply
    36,099.78x = 54,149.54 × 9,804.48
  4. Step 4: Simplify right side
    36,099.78x = 530,908,081.94
  5. Step 5: Solve for x
    x = 530,908,081.94/36,099.78
  6. Step 6: Final answer
    x = 14,706.68

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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.