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Finding the Fourth Proportional to 66,008.34, 91,090.32 and 37,327.56

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Solution

The fourth proportional to 66,008.34, 91,090.32 and 37,327.56 is: 51,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,008.34 : 91,090.32 = 37,327.56 : x
  2. Step 2: Convert to fraction form
    66,008.34/91,090.32 = 37,327.56/x
  3. Step 3: Cross multiply
    66,008.34x = 91,090.32 × 37,327.56
  4. Step 4: Simplify right side
    66,008.34x = 3,400,179,385.22
  5. Step 5: Solve for x
    x = 3,400,179,385.22/66,008.34
  6. Step 6: Final answer
    x = 51,511.36

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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.