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Finding the Fourth Proportional to 66,396.24, 91,626.60 and 36,588.24

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Solution

The fourth proportional to 66,396.24, 91,626.60 and 36,588.24 is: 50,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,396.24 : 91,626.60 = 36,588.24 : x
  2. Step 2: Convert to fraction form
    66,396.24/91,626.60 = 36,588.24/x
  3. Step 3: Cross multiply
    66,396.24x = 91,626.60 × 36,588.24
  4. Step 4: Simplify right side
    66,396.24x = 3,352,456,031.18
  5. Step 5: Solve for x
    x = 3,352,456,031.18/66,396.24
  6. Step 6: Final answer
    x = 50,491.65

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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.