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Finding the Fourth Proportional to 13,326.04, 19,963.06 and 8,695

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Solution

The fourth proportional to 13,326.04, 19,963.06 and 8,695 is: 13,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.04 : 19,963.06 = 8,695 : x
  2. Step 2: Convert to fraction form
    13,326.04/19,963.06 = 8,695/x
  3. Step 3: Cross multiply
    13,326.04x = 19,963.06 × 8,695
  4. Step 4: Simplify right side
    13,326.04x = 173,578,806.70
  5. Step 5: Solve for x
    x = 173,578,806.70/13,326.04
  6. Step 6: Final answer
    x = 13,025.54

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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.