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Finding the Fourth Proportional to 62,738.64, 86,573.57 and 37,240.65

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Solution

The fourth proportional to 62,738.64, 86,573.57 and 37,240.65 is: 51,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,738.64 : 86,573.57 = 37,240.65 : x
  2. Step 2: Convert to fraction form
    62,738.64/86,573.57 = 37,240.65/x
  3. Step 3: Cross multiply
    62,738.64x = 86,573.57 × 37,240.65
  4. Step 4: Simplify right side
    62,738.64x = 3,224,055,833.42
  5. Step 5: Solve for x
    x = 3,224,055,833.42/62,738.64
  6. Step 6: Final answer
    x = 51,388.68

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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.