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Finding the Fourth Proportional to 41,164.66, 61,746.96 and 9,999.88

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Solution

The fourth proportional to 41,164.66, 61,746.96 and 9,999.88 is: 14,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,164.66 : 61,746.96 = 9,999.88 : x
  2. Step 2: Convert to fraction form
    41,164.66/61,746.96 = 9,999.88/x
  3. Step 3: Cross multiply
    41,164.66x = 61,746.96 × 9,999.88
  4. Step 4: Simplify right side
    41,164.66x = 617,462,190.36
  5. Step 5: Solve for x
    x = 617,462,190.36/41,164.66
  6. Step 6: Final answer
    x = 14,999.81

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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.