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Finding the Fourth Proportional to 12,603.57, 17,393.01 and 7,014.57

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Solution

The fourth proportional to 12,603.57, 17,393.01 and 7,014.57 is: 9,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.57 : 17,393.01 = 7,014.57 : x
  2. Step 2: Convert to fraction form
    12,603.57/17,393.01 = 7,014.57/x
  3. Step 3: Cross multiply
    12,603.57x = 17,393.01 × 7,014.57
  4. Step 4: Simplify right side
    12,603.57x = 122,004,486.16
  5. Step 5: Solve for x
    x = 122,004,486.16/12,603.57
  6. Step 6: Final answer
    x = 9,680.15

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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.