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Finding the Fourth Proportional to 40,936.03, 61,404.04 and 11,353.87

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Solution

The fourth proportional to 40,936.03, 61,404.04 and 11,353.87 is: 17,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,936.03 : 61,404.04 = 11,353.87 : x
  2. Step 2: Convert to fraction form
    40,936.03/61,404.04 = 11,353.87/x
  3. Step 3: Cross multiply
    40,936.03x = 61,404.04 × 11,353.87
  4. Step 4: Simplify right side
    40,936.03x = 697,173,305.74
  5. Step 5: Solve for x
    x = 697,173,305.74/40,936.03
  6. Step 6: Final answer
    x = 17,030.80

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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.