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Finding the Fourth Proportional to 37,612.43, 51,903.03 and 20,613.43

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Solution

The fourth proportional to 37,612.43, 51,903.03 and 20,613.43 is: 28,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.43 : 51,903.03 = 20,613.43 : x
  2. Step 2: Convert to fraction form
    37,612.43/51,903.03 = 20,613.43/x
  3. Step 3: Cross multiply
    37,612.43x = 51,903.03 × 20,613.43
  4. Step 4: Simplify right side
    37,612.43x = 1,069,899,475.69
  5. Step 5: Solve for x
    x = 1,069,899,475.69/37,612.43
  6. Step 6: Final answer
    x = 28,445.37

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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.