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Finding the Fourth Proportional to 66,247.60, 91,422.87 and 36,033.59

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Solution

The fourth proportional to 66,247.60, 91,422.87 and 36,033.59 is: 49,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,247.60 : 91,422.87 = 36,033.59 : x
  2. Step 2: Convert to fraction form
    66,247.60/91,422.87 = 36,033.59/x
  3. Step 3: Cross multiply
    66,247.60x = 91,422.87 × 36,033.59
  4. Step 4: Simplify right side
    66,247.60x = 3,294,294,214.20
  5. Step 5: Solve for x
    x = 3,294,294,214.20/66,247.60
  6. Step 6: Final answer
    x = 49,727.00

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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.