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Finding the Fourth Proportional to 36,615.10, 50,531.01 and 20,701.03

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Solution

The fourth proportional to 36,615.10, 50,531.01 and 20,701.03 is: 28,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,615.10 : 50,531.01 = 20,701.03 : x
  2. Step 2: Convert to fraction form
    36,615.10/50,531.01 = 20,701.03/x
  3. Step 3: Cross multiply
    36,615.10x = 50,531.01 × 20,701.03
  4. Step 4: Simplify right side
    36,615.10x = 1,046,043,953.94
  5. Step 5: Solve for x
    x = 1,046,043,953.94/36,615.10
  6. Step 6: Final answer
    x = 28,568.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.