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Finding the Fourth Proportional to 37,165.01, 51,288.09 and 20,169.40

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Solution

The fourth proportional to 37,165.01, 51,288.09 and 20,169.40 is: 27,833.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,165.01 : 51,288.09 = 20,169.40 : x
  2. Step 2: Convert to fraction form
    37,165.01/51,288.09 = 20,169.40/x
  3. Step 3: Cross multiply
    37,165.01x = 51,288.09 × 20,169.40
  4. Step 4: Simplify right side
    37,165.01x = 1,034,450,002.45
  5. Step 5: Solve for x
    x = 1,034,450,002.45/37,165.01
  6. Step 6: Final answer
    x = 27,833.98

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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.