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Finding the Fourth Proportional to 68,136.76, 94,027.79 and 37,922.08

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Solution

The fourth proportional to 68,136.76, 94,027.79 and 37,922.08 is: 52,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,136.76 : 94,027.79 = 37,922.08 : x
  2. Step 2: Convert to fraction form
    68,136.76/94,027.79 = 37,922.08/x
  3. Step 3: Cross multiply
    68,136.76x = 94,027.79 × 37,922.08
  4. Step 4: Simplify right side
    68,136.76x = 3,565,728,904.46
  5. Step 5: Solve for x
    x = 3,565,728,904.46/68,136.76
  6. Step 6: Final answer
    x = 52,331.94

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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.