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Finding the Fourth Proportional to 14,469.11, 21,702.03 and 9,818.99

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Solution

The fourth proportional to 14,469.11, 21,702.03 and 9,818.99 is: 14,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.11 : 21,702.03 = 9,818.99 : x
  2. Step 2: Convert to fraction form
    14,469.11/21,702.03 = 9,818.99/x
  3. Step 3: Cross multiply
    14,469.11x = 21,702.03 × 9,818.99
  4. Step 4: Simplify right side
    14,469.11x = 213,092,015.55
  5. Step 5: Solve for x
    x = 213,092,015.55/14,469.11
  6. Step 6: Final answer
    x = 14,727.38

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1.5x scale

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.