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Finding the Fourth Proportional to 15,992.09, 23,988.86 and 4,897.97

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Solution

The fourth proportional to 15,992.09, 23,988.86 and 4,897.97 is: 7,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.09 : 23,988.86 = 4,897.97 : x
  2. Step 2: Convert to fraction form
    15,992.09/23,988.86 = 4,897.97/x
  3. Step 3: Cross multiply
    15,992.09x = 23,988.86 × 4,897.97
  4. Step 4: Simplify right side
    15,992.09x = 117,496,692.12
  5. Step 5: Solve for x
    x = 117,496,692.12/15,992.09
  6. Step 6: Final answer
    x = 7,347.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.