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Finding the Fourth Proportional to 66,193.25, 91,344.44 and 37,893.47

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Solution

The fourth proportional to 66,193.25, 91,344.44 and 37,893.47 is: 52,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,193.25 : 91,344.44 = 37,893.47 : x
  2. Step 2: Convert to fraction form
    66,193.25/91,344.44 = 37,893.47/x
  3. Step 3: Cross multiply
    66,193.25x = 91,344.44 × 37,893.47
  4. Step 4: Simplify right side
    66,193.25x = 3,461,357,150.62
  5. Step 5: Solve for x
    x = 3,461,357,150.62/66,193.25
  6. Step 6: Final answer
    x = 52,291.70

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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.