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Finding the Fourth Proportional to 66,366.64, 91,585.95 and 36,558.64

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Solution

The fourth proportional to 66,366.64, 91,585.95 and 36,558.64 is: 50,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,366.64 : 91,585.95 = 36,558.64 : x
  2. Step 2: Convert to fraction form
    66,366.64/91,585.95 = 36,558.64/x
  3. Step 3: Cross multiply
    66,366.64x = 91,585.95 × 36,558.64
  4. Step 4: Simplify right side
    66,366.64x = 3,348,257,775.11
  5. Step 5: Solve for x
    x = 3,348,257,775.11/66,366.64
  6. Step 6: Final answer
    x = 50,450.92

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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.