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Finding the Fourth Proportional to 66,234.69, 91,402.61 and 36,426.69

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Solution

The fourth proportional to 66,234.69, 91,402.61 and 36,426.69 is: 50,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,234.69 : 91,402.61 = 36,426.69 : x
  2. Step 2: Convert to fraction form
    66,234.69/91,402.61 = 36,426.69/x
  3. Step 3: Cross multiply
    66,234.69x = 91,402.61 × 36,426.69
  4. Step 4: Simplify right side
    66,234.69x = 3,329,494,357.53
  5. Step 5: Solve for x
    x = 3,329,494,357.53/66,234.69
  6. Step 6: Final answer
    x = 50,268.14

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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.