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Finding the Fourth Proportional to 13,133.00, 19,702.74 and 4,367.99

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Solution

The fourth proportional to 13,133.00, 19,702.74 and 4,367.99 is: 6,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.00 : 19,702.74 = 4,367.99 : x
  2. Step 2: Convert to fraction form
    13,133.00/19,702.74 = 4,367.99/x
  3. Step 3: Cross multiply
    13,133.00x = 19,702.74 × 4,367.99
  4. Step 4: Simplify right side
    13,133.00x = 86,061,436.93
  5. Step 5: Solve for x
    x = 86,061,436.93/13,133.00
  6. Step 6: Final answer
    x = 6,553.07

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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.