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Finding the Fourth Proportional to 62,278.88, 85,944.85 and 37,128.38

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Solution

The fourth proportional to 62,278.88, 85,944.85 and 37,128.38 is: 51,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,278.88 : 85,944.85 = 37,128.38 : x
  2. Step 2: Convert to fraction form
    62,278.88/85,944.85 = 37,128.38/x
  3. Step 3: Cross multiply
    62,278.88x = 85,944.85 × 37,128.38
  4. Step 4: Simplify right side
    62,278.88x = 3,190,992,527.30
  5. Step 5: Solve for x
    x = 3,190,992,527.30/62,278.88
  6. Step 6: Final answer
    x = 51,237.16

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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.