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Finding the Fourth Proportional to 20,627.51, 30,936.63 and 9,532.59

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Solution

The fourth proportional to 20,627.51, 30,936.63 and 9,532.59 is: 14,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.51 : 30,936.63 = 9,532.59 : x
  2. Step 2: Convert to fraction form
    20,627.51/30,936.63 = 9,532.59/x
  3. Step 3: Cross multiply
    20,627.51x = 30,936.63 × 9,532.59
  4. Step 4: Simplify right side
    20,627.51x = 294,906,129.51
  5. Step 5: Solve for x
    x = 294,906,129.51/20,627.51
  6. Step 6: Final answer
    x = 14,296.74

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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.