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Finding the Fourth Proportional to 32,706.09, 49,089.15 and 20,250.45

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Solution

The fourth proportional to 32,706.09, 49,089.15 and 20,250.45 is: 30,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,706.09 : 49,089.15 = 20,250.45 : x
  2. Step 2: Convert to fraction form
    32,706.09/49,089.15 = 20,250.45/x
  3. Step 3: Cross multiply
    32,706.09x = 49,089.15 × 20,250.45
  4. Step 4: Simplify right side
    32,706.09x = 994,077,377.62
  5. Step 5: Solve for x
    x = 994,077,377.62/32,706.09
  6. Step 6: Final answer
    x = 30,394.26

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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.