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Finding the Fourth Proportional to 67,109.76, 92,606.70 and 36,894.33

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Solution

The fourth proportional to 67,109.76, 92,606.70 and 36,894.33 is: 50,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,109.76 : 92,606.70 = 36,894.33 : x
  2. Step 2: Convert to fraction form
    67,109.76/92,606.70 = 36,894.33/x
  3. Step 3: Cross multiply
    67,109.76x = 92,606.70 × 36,894.33
  4. Step 4: Simplify right side
    67,109.76x = 3,416,662,150.01
  5. Step 5: Solve for x
    x = 3,416,662,150.01/67,109.76
  6. Step 6: Final answer
    x = 50,911.55

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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.