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Finding the Fourth Proportional to 14,643.47, 21,965.01 and 3,550.26

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Solution

The fourth proportional to 14,643.47, 21,965.01 and 3,550.26 is: 5,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.47 : 21,965.01 = 3,550.26 : x
  2. Step 2: Convert to fraction form
    14,643.47/21,965.01 = 3,550.26/x
  3. Step 3: Cross multiply
    14,643.47x = 21,965.01 × 3,550.26
  4. Step 4: Simplify right side
    14,643.47x = 77,981,496.40
  5. Step 5: Solve for x
    x = 77,981,496.40/14,643.47
  6. Step 6: Final answer
    x = 5,325.34

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Similar ratio
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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.