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Finding the Fourth Proportional to 32,772.79, 49,071.70 and 28,836.19

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Solution

The fourth proportional to 32,772.79, 49,071.70 and 28,836.19 is: 43,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,772.79 : 49,071.70 = 28,836.19 : x
  2. Step 2: Convert to fraction form
    32,772.79/49,071.70 = 28,836.19/x
  3. Step 3: Cross multiply
    32,772.79x = 49,071.70 × 28,836.19
  4. Step 4: Simplify right side
    32,772.79x = 1,415,040,778.19
  5. Step 5: Solve for x
    x = 1,415,040,778.19/32,772.79
  6. Step 6: Final answer
    x = 43,177.31

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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.