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Finding the Fourth Proportional to 12,370.01, 17,072.66 and 7,066.49

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Solution

The fourth proportional to 12,370.01, 17,072.66 and 7,066.49 is: 9,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.01 : 17,072.66 = 7,066.49 : x
  2. Step 2: Convert to fraction form
    12,370.01/17,072.66 = 7,066.49/x
  3. Step 3: Cross multiply
    12,370.01x = 17,072.66 × 7,066.49
  4. Step 4: Simplify right side
    12,370.01x = 120,643,745.83
  5. Step 5: Solve for x
    x = 120,643,745.83/12,370.01
  6. Step 6: Final answer
    x = 9,752.92

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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.