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Finding the Fourth Proportional to 9,914.66, 14,873.36 and 3,342.72

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Solution

The fourth proportional to 9,914.66, 14,873.36 and 3,342.72 is: 5,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.66 : 14,873.36 = 3,342.72 : x
  2. Step 2: Convert to fraction form
    9,914.66/14,873.36 = 3,342.72/x
  3. Step 3: Cross multiply
    9,914.66x = 14,873.36 × 3,342.72
  4. Step 4: Simplify right side
    9,914.66x = 49,717,477.94
  5. Step 5: Solve for x
    x = 49,717,477.94/9,914.66
  6. Step 6: Final answer
    x = 5,014.54

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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.