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Finding the Fourth Proportional to 77,004, 115,552.08 and 33,228

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Solution

The fourth proportional to 77,004, 115,552.08 and 33,228 is: 49,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,004 : 115,552.08 = 33,228 : x
  2. Step 2: Convert to fraction form
    77,004/115,552.08 = 33,228/x
  3. Step 3: Cross multiply
    77,004x = 115,552.08 × 33,228
  4. Step 4: Simplify right side
    77,004x = 3,839,564,514.24
  5. Step 5: Solve for x
    x = 3,839,564,514.24/77,004
  6. Step 6: Final answer
    x = 49,861.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.