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Finding the Fourth Proportional to 11,893.15, 17,848.38 and 9,581.07

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Solution

The fourth proportional to 11,893.15, 17,848.38 and 9,581.07 is: 14,378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.15 : 17,848.38 = 9,581.07 : x
  2. Step 2: Convert to fraction form
    11,893.15/17,848.38 = 9,581.07/x
  3. Step 3: Cross multiply
    11,893.15x = 17,848.38 × 9,581.07
  4. Step 4: Simplify right side
    11,893.15x = 171,006,681.03
  5. Step 5: Solve for x
    x = 171,006,681.03/11,893.15
  6. Step 6: Final answer
    x = 14,378.58

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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.