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Finding the Fourth Proportional to 66,861.08, 92,264.64 and 36,645.92

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Solution

The fourth proportional to 66,861.08, 92,264.64 and 36,645.92 is: 50,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,861.08 : 92,264.64 = 36,645.92 : x
  2. Step 2: Convert to fraction form
    66,861.08/92,264.64 = 36,645.92/x
  3. Step 3: Cross multiply
    66,861.08x = 92,264.64 × 36,645.92
  4. Step 4: Simplify right side
    66,861.08x = 3,381,122,616.27
  5. Step 5: Solve for x
    x = 3,381,122,616.27/66,861.08
  6. Step 6: Final answer
    x = 50,569.37

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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.