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Finding the Fourth Proportional to 37,645.89, 51,952.02 and 20,651.01

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Solution

The fourth proportional to 37,645.89, 51,952.02 and 20,651.01 is: 28,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,645.89 : 51,952.02 = 20,651.01 : x
  2. Step 2: Convert to fraction form
    37,645.89/51,952.02 = 20,651.01/x
  3. Step 3: Cross multiply
    37,645.89x = 51,952.02 × 20,651.01
  4. Step 4: Simplify right side
    37,645.89x = 1,072,861,528.44
  5. Step 5: Solve for x
    x = 1,072,861,528.44/37,645.89
  6. Step 6: Final answer
    x = 28,498.77

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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.