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Finding the Fourth Proportional to 24,603, 36,904.50 and 8,187

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Solution

The fourth proportional to 24,603, 36,904.50 and 8,187 is: 12,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,603 : 36,904.50 = 8,187 : x
  2. Step 2: Convert to fraction form
    24,603/36,904.50 = 8,187/x
  3. Step 3: Cross multiply
    24,603x = 36,904.50 × 8,187
  4. Step 4: Simplify right side
    24,603x = 302,137,141.50
  5. Step 5: Solve for x
    x = 302,137,141.50/24,603
  6. Step 6: Final answer
    x = 12,280.50

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Why These Related Problems?

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