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Finding the Fourth Proportional to 37,469.84, 51,707.72 and 20,473.68

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Solution

The fourth proportional to 37,469.84, 51,707.72 and 20,473.68 is: 28,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,469.84 : 51,707.72 = 20,473.68 : x
  2. Step 2: Convert to fraction form
    37,469.84/51,707.72 = 20,473.68/x
  3. Step 3: Cross multiply
    37,469.84x = 51,707.72 × 20,473.68
  4. Step 4: Simplify right side
    37,469.84x = 1,058,647,210.44
  5. Step 5: Solve for x
    x = 1,058,647,210.44/37,469.84
  6. Step 6: Final answer
    x = 28,253.32

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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.