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Finding the Fourth Proportional to 11,867.44, 17,800.44 and 3,547.48

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Solution

The fourth proportional to 11,867.44, 17,800.44 and 3,547.48 is: 5,321.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.44 : 17,800.44 = 3,547.48 : x
  2. Step 2: Convert to fraction form
    11,867.44/17,800.44 = 3,547.48/x
  3. Step 3: Cross multiply
    11,867.44x = 17,800.44 × 3,547.48
  4. Step 4: Simplify right side
    11,867.44x = 63,146,704.89
  5. Step 5: Solve for x
    x = 63,146,704.89/11,867.44
  6. Step 6: Final answer
    x = 5,321.00

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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.