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Finding the Fourth Proportional to 66,594.63, 91,899.12 and 36,379.17

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Solution

The fourth proportional to 66,594.63, 91,899.12 and 36,379.17 is: 50,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,594.63 : 91,899.12 = 36,379.17 : x
  2. Step 2: Convert to fraction form
    66,594.63/91,899.12 = 36,379.17/x
  3. Step 3: Cross multiply
    66,594.63x = 91,899.12 × 36,379.17
  4. Step 4: Simplify right side
    66,594.63x = 3,343,213,709.33
  5. Step 5: Solve for x
    x = 3,343,213,709.33/66,594.63
  6. Step 6: Final answer
    x = 50,202.45

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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.