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Finding the Fourth Proportional to 66,366.28, 91,585.44 and 36,558.28

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Solution

The fourth proportional to 66,366.28, 91,585.44 and 36,558.28 is: 50,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,366.28 : 91,585.44 = 36,558.28 : x
  2. Step 2: Convert to fraction form
    66,366.28/91,585.44 = 36,558.28/x
  3. Step 3: Cross multiply
    66,366.28x = 91,585.44 × 36,558.28
  4. Step 4: Simplify right side
    66,366.28x = 3,348,206,159.44
  5. Step 5: Solve for x
    x = 3,348,206,159.44/66,366.28
  6. Step 6: Final answer
    x = 50,450.41

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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.