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Finding the Fourth Proportional to 66,711.70, 92,061.39 and 36,496.67

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Solution

The fourth proportional to 66,711.70, 92,061.39 and 36,496.67 is: 50,364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,711.70 : 92,061.39 = 36,496.67 : x
  2. Step 2: Convert to fraction form
    66,711.70/92,061.39 = 36,496.67/x
  3. Step 3: Cross multiply
    66,711.70x = 92,061.39 × 36,496.67
  4. Step 4: Simplify right side
    66,711.70x = 3,359,934,170.57
  5. Step 5: Solve for x
    x = 3,359,934,170.57/66,711.70
  6. Step 6: Final answer
    x = 50,364.99

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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.