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Finding the Fourth Proportional to 35,532.78, 49,035.09 and 19,617.11

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Solution

The fourth proportional to 35,532.78, 49,035.09 and 19,617.11 is: 27,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,532.78 : 49,035.09 = 19,617.11 : x
  2. Step 2: Convert to fraction form
    35,532.78/49,035.09 = 19,617.11/x
  3. Step 3: Cross multiply
    35,532.78x = 49,035.09 × 19,617.11
  4. Step 4: Simplify right side
    35,532.78x = 961,926,870.86
  5. Step 5: Solve for x
    x = 961,926,870.86/35,532.78
  6. Step 6: Final answer
    x = 27,071.54

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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.