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Finding the Fourth Proportional to 69,278.88, 95,604.78 and 37,447.76

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Solution

The fourth proportional to 69,278.88, 95,604.78 and 37,447.76 is: 51,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,278.88 : 95,604.78 = 37,447.76 : x
  2. Step 2: Convert to fraction form
    69,278.88/95,604.78 = 37,447.76/x
  3. Step 3: Cross multiply
    69,278.88x = 95,604.78 × 37,447.76
  4. Step 4: Simplify right side
    69,278.88x = 3,580,184,856.29
  5. Step 5: Solve for x
    x = 3,580,184,856.29/69,278.88
  6. Step 6: Final answer
    x = 51,677.87

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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.