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Finding the Fourth Proportional to 66,778.34, 92,154.11 and 36,563.66

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Solution

The fourth proportional to 66,778.34, 92,154.11 and 36,563.66 is: 50,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,778.34 : 92,154.11 = 36,563.66 : x
  2. Step 2: Convert to fraction form
    66,778.34/92,154.11 = 36,563.66/x
  3. Step 3: Cross multiply
    66,778.34x = 92,154.11 × 36,563.66
  4. Step 4: Simplify right side
    66,778.34x = 3,369,491,545.64
  5. Step 5: Solve for x
    x = 3,369,491,545.64/66,778.34
  6. Step 6: Final answer
    x = 50,457.85

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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.