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Finding the Fourth Proportional to 27,153.93, 40,677.87 and 12,902.12

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Solution

The fourth proportional to 27,153.93, 40,677.87 and 12,902.12 is: 19,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.93 : 40,677.87 = 12,902.12 : x
  2. Step 2: Convert to fraction form
    27,153.93/40,677.87 = 12,902.12/x
  3. Step 3: Cross multiply
    27,153.93x = 40,677.87 × 12,902.12
  4. Step 4: Simplify right side
    27,153.93x = 524,830,913.86
  5. Step 5: Solve for x
    x = 524,830,913.86/27,153.93
  6. Step 6: Final answer
    x = 19,327.99

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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.