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Finding the Fourth Proportional to 12,612.33, 17,404.94 and 7,307.03

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Solution

The fourth proportional to 12,612.33, 17,404.94 and 7,307.03 is: 10,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.33 : 17,404.94 = 7,307.03 : x
  2. Step 2: Convert to fraction form
    12,612.33/17,404.94 = 7,307.03/x
  3. Step 3: Cross multiply
    12,612.33x = 17,404.94 × 7,307.03
  4. Step 4: Simplify right side
    12,612.33x = 127,178,480.51
  5. Step 5: Solve for x
    x = 127,178,480.51/12,612.33
  6. Step 6: Final answer
    x = 10,083.66

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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.