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Finding the Fourth Proportional to 68,283, 94,221.36 and 38,064.87

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Solution

The fourth proportional to 68,283, 94,221.36 and 38,064.87 is: 52,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,283 : 94,221.36 = 38,064.87 : x
  2. Step 2: Convert to fraction form
    68,283/94,221.36 = 38,064.87/x
  3. Step 3: Cross multiply
    68,283x = 94,221.36 × 38,064.87
  4. Step 4: Simplify right side
    68,283x = 3,586,523,819.62
  5. Step 5: Solve for x
    x = 3,586,523,819.62/68,283
  6. Step 6: Final answer
    x = 52,524.40

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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.