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Finding the Fourth Proportional to 14,309.64, 21,464.64 and 4,448.70

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Solution

The fourth proportional to 14,309.64, 21,464.64 and 4,448.70 is: 6,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.64 : 21,464.64 = 4,448.70 : x
  2. Step 2: Convert to fraction form
    14,309.64/21,464.64 = 4,448.70/x
  3. Step 3: Cross multiply
    14,309.64x = 21,464.64 × 4,448.70
  4. Step 4: Simplify right side
    14,309.64x = 95,489,743.97
  5. Step 5: Solve for x
    x = 95,489,743.97/14,309.64
  6. Step 6: Final answer
    x = 6,673.11

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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.