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Finding the Fourth Proportional to 66,672.22, 92,007.76 and 36,457.67

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Solution

The fourth proportional to 66,672.22, 92,007.76 and 36,457.67 is: 50,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,672.22 : 92,007.76 = 36,457.67 : x
  2. Step 2: Convert to fraction form
    66,672.22/92,007.76 = 36,457.67/x
  3. Step 3: Cross multiply
    66,672.22x = 92,007.76 × 36,457.67
  4. Step 4: Simplify right side
    66,672.22x = 3,354,388,551.52
  5. Step 5: Solve for x
    x = 3,354,388,551.52/66,672.22
  6. Step 6: Final answer
    x = 50,311.64

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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.