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Finding the Fourth Proportional to 18,130.59, 27,176.43 and 7,597.98

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Solution

The fourth proportional to 18,130.59, 27,176.43 and 7,597.98 is: 11,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.59 : 27,176.43 = 7,597.98 : x
  2. Step 2: Convert to fraction form
    18,130.59/27,176.43 = 7,597.98/x
  3. Step 3: Cross multiply
    18,130.59x = 27,176.43 × 7,597.98
  4. Step 4: Simplify right side
    18,130.59x = 206,485,971.61
  5. Step 5: Solve for x
    x = 206,485,971.61/18,130.59
  6. Step 6: Final answer
    x = 11,388.82

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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.