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Finding the Fourth Proportional to 14,604.25, 21,921.98 and 6,288.39

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Solution

The fourth proportional to 14,604.25, 21,921.98 and 6,288.39 is: 9,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.25 : 21,921.98 = 6,288.39 : x
  2. Step 2: Convert to fraction form
    14,604.25/21,921.98 = 6,288.39/x
  3. Step 3: Cross multiply
    14,604.25x = 21,921.98 × 6,288.39
  4. Step 4: Simplify right side
    14,604.25x = 137,853,959.81
  5. Step 5: Solve for x
    x = 137,853,959.81/14,604.25
  6. Step 6: Final answer
    x = 9,439.30

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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.