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Finding the Fourth Proportional to 12,603.18, 17,390.24 and 7,297.08

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Solution

The fourth proportional to 12,603.18, 17,390.24 and 7,297.08 is: 10,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.18 : 17,390.24 = 7,297.08 : x
  2. Step 2: Convert to fraction form
    12,603.18/17,390.24 = 7,297.08/x
  3. Step 3: Cross multiply
    12,603.18x = 17,390.24 × 7,297.08
  4. Step 4: Simplify right side
    12,603.18x = 126,897,972.50
  5. Step 5: Solve for x
    x = 126,897,972.50/12,603.18
  6. Step 6: Final answer
    x = 10,068.73

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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.