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Finding the Fourth Proportional to 67,009.76, 92,476.85 and 36,794.87

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Solution

The fourth proportional to 67,009.76, 92,476.85 and 36,794.87 is: 50,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,009.76 : 92,476.85 = 36,794.87 : x
  2. Step 2: Convert to fraction form
    67,009.76/92,476.85 = 36,794.87/x
  3. Step 3: Cross multiply
    67,009.76x = 92,476.85 × 36,794.87
  4. Step 4: Simplify right side
    67,009.76x = 3,402,673,027.40
  5. Step 5: Solve for x
    x = 3,402,673,027.40/67,009.76
  6. Step 6: Final answer
    x = 50,778.77

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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.