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Finding the Fourth Proportional to 66,234.96, 91,402.44 and 36,426.96

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Solution

The fourth proportional to 66,234.96, 91,402.44 and 36,426.96 is: 50,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,234.96 : 91,402.44 = 36,426.96 : x
  2. Step 2: Convert to fraction form
    66,234.96/91,402.44 = 36,426.96/x
  3. Step 3: Cross multiply
    66,234.96x = 91,402.44 × 36,426.96
  4. Step 4: Simplify right side
    66,234.96x = 3,329,513,025.78
  5. Step 5: Solve for x
    x = 3,329,513,025.78/66,234.96
  6. Step 6: Final answer
    x = 50,268.21

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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.