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Finding the Fourth Proportional to 62,853.78, 86,738.13 and 36,004.98

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Solution

The fourth proportional to 62,853.78, 86,738.13 and 36,004.98 is: 49,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,853.78 : 86,738.13 = 36,004.98 : x
  2. Step 2: Convert to fraction form
    62,853.78/86,738.13 = 36,004.98/x
  3. Step 3: Cross multiply
    62,853.78x = 86,738.13 × 36,004.98
  4. Step 4: Simplify right side
    62,853.78x = 3,123,004,635.89
  5. Step 5: Solve for x
    x = 3,123,004,635.89/62,853.78
  6. Step 6: Final answer
    x = 49,686.82

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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.