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Finding the Fourth Proportional to 12,461.42, 17,196.84 and 7,083.22

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Solution

The fourth proportional to 12,461.42, 17,196.84 and 7,083.22 is: 9,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.42 : 17,196.84 = 7,083.22 : x
  2. Step 2: Convert to fraction form
    12,461.42/17,196.84 = 7,083.22/x
  3. Step 3: Cross multiply
    12,461.42x = 17,196.84 × 7,083.22
  4. Step 4: Simplify right side
    12,461.42x = 121,809,001.02
  5. Step 5: Solve for x
    x = 121,809,001.02/12,461.42
  6. Step 6: Final answer
    x = 9,774.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.