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Finding the Fourth Proportional to 66,457.44, 91,710.96 and 36,649.44

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Solution

The fourth proportional to 66,457.44, 91,710.96 and 36,649.44 is: 50,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,457.44 : 91,710.96 = 36,649.44 : x
  2. Step 2: Convert to fraction form
    66,457.44/91,710.96 = 36,649.44/x
  3. Step 3: Cross multiply
    66,457.44x = 91,710.96 × 36,649.44
  4. Step 4: Simplify right side
    66,457.44x = 3,361,155,325.86
  5. Step 5: Solve for x
    x = 3,361,155,325.86/66,457.44
  6. Step 6: Final answer
    x = 50,576.06

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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.