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Finding the Fourth Proportional to 37,177.92, 51,303.78 and 20,181.78

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Solution

The fourth proportional to 37,177.92, 51,303.78 and 20,181.78 is: 27,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,177.92 : 51,303.78 = 20,181.78 : x
  2. Step 2: Convert to fraction form
    37,177.92/51,303.78 = 20,181.78/x
  3. Step 3: Cross multiply
    37,177.92x = 51,303.78 × 20,181.78
  4. Step 4: Simplify right side
    37,177.92x = 1,035,401,601.13
  5. Step 5: Solve for x
    x = 1,035,401,601.13/37,177.92
  6. Step 6: Final answer
    x = 27,849.91

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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.