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Finding the Fourth Proportional to 62,860.74, 86,743.95 and 35,997.09

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Solution

The fourth proportional to 62,860.74, 86,743.95 and 35,997.09 is: 49,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,860.74 : 86,743.95 = 35,997.09 : x
  2. Step 2: Convert to fraction form
    62,860.74/86,743.95 = 35,997.09/x
  3. Step 3: Cross multiply
    62,860.74x = 86,743.95 × 35,997.09
  4. Step 4: Simplify right side
    62,860.74x = 3,122,529,775.11
  5. Step 5: Solve for x
    x = 3,122,529,775.11/62,860.74
  6. Step 6: Final answer
    x = 49,673.77

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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.