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Finding the Fourth Proportional to 66,084, 91,184.16 and 37,403.52

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Solution

The fourth proportional to 66,084, 91,184.16 and 37,403.52 is: 51,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084 : 91,184.16 = 37,403.52 : x
  2. Step 2: Convert to fraction form
    66,084/91,184.16 = 37,403.52/x
  3. Step 3: Cross multiply
    66,084x = 91,184.16 × 37,403.52
  4. Step 4: Simplify right side
    66,084x = 3,410,608,552.24
  5. Step 5: Solve for x
    x = 3,410,608,552.24/66,084
  6. Step 6: Final answer
    x = 51,610.20

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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.