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Finding the Fourth Proportional to 66,847.30, 92,214.75 and 45,329.77

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Solution

The fourth proportional to 66,847.30, 92,214.75 and 45,329.77 is: 62,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,847.30 : 92,214.75 = 45,329.77 : x
  2. Step 2: Convert to fraction form
    66,847.30/92,214.75 = 45,329.77/x
  3. Step 3: Cross multiply
    66,847.30x = 92,214.75 × 45,329.77
  4. Step 4: Simplify right side
    66,847.30x = 4,180,073,408.11
  5. Step 5: Solve for x
    x = 4,180,073,408.11/66,847.30
  6. Step 6: Final answer
    x = 62,531.67

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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.