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Finding the Fourth Proportional to 14,324.64, 21,487.25 and 4,964.97

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Solution

The fourth proportional to 14,324.64, 21,487.25 and 4,964.97 is: 7,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.64 : 21,487.25 = 4,964.97 : x
  2. Step 2: Convert to fraction form
    14,324.64/21,487.25 = 4,964.97/x
  3. Step 3: Cross multiply
    14,324.64x = 21,487.25 × 4,964.97
  4. Step 4: Simplify right side
    14,324.64x = 106,683,464.85
  5. Step 5: Solve for x
    x = 106,683,464.85/14,324.64
  6. Step 6: Final answer
    x = 7,447.55

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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.