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Finding the Fourth Proportional to 66,152.52, 91,294.56 and 37,857.60

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Solution

The fourth proportional to 66,152.52, 91,294.56 and 37,857.60 is: 52,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,152.52 : 91,294.56 = 37,857.60 : x
  2. Step 2: Convert to fraction form
    66,152.52/91,294.56 = 37,857.60/x
  3. Step 3: Cross multiply
    66,152.52x = 91,294.56 × 37,857.60
  4. Step 4: Simplify right side
    66,152.52x = 3,456,192,934.66
  5. Step 5: Solve for x
    x = 3,456,192,934.66/66,152.52
  6. Step 6: Final answer
    x = 52,245.82

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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.