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Finding the Fourth Proportional to 66,370.44, 91,587.06 and 36,562.44

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Solution

The fourth proportional to 66,370.44, 91,587.06 and 36,562.44 is: 50,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,370.44 : 91,587.06 = 36,562.44 : x
  2. Step 2: Convert to fraction form
    66,370.44/91,587.06 = 36,562.44/x
  3. Step 3: Cross multiply
    66,370.44x = 91,587.06 × 36,562.44
  4. Step 4: Simplify right side
    66,370.44x = 3,348,646,386.03
  5. Step 5: Solve for x
    x = 3,348,646,386.03/66,370.44
  6. Step 6: Final answer
    x = 50,453.88

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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.