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Finding the Fourth Proportional to 66,048, 91,151.04 and 37,752.96

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Solution

The fourth proportional to 66,048, 91,151.04 and 37,752.96 is: 52,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048 : 91,151.04 = 37,752.96 : x
  2. Step 2: Convert to fraction form
    66,048/91,151.04 = 37,752.96/x
  3. Step 3: Cross multiply
    66,048x = 91,151.04 × 37,752.96
  4. Step 4: Simplify right side
    66,048x = 3,441,221,567.08
  5. Step 5: Solve for x
    x = 3,441,221,567.08/66,048
  6. Step 6: Final answer
    x = 52,101.83

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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.