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Finding the Fourth Proportional to 22,643.40, 33,965.10 and 14,770.20

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Solution

The fourth proportional to 22,643.40, 33,965.10 and 14,770.20 is: 22,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.40 : 33,965.10 = 14,770.20 : x
  2. Step 2: Convert to fraction form
    22,643.40/33,965.10 = 14,770.20/x
  3. Step 3: Cross multiply
    22,643.40x = 33,965.10 × 14,770.20
  4. Step 4: Simplify right side
    22,643.40x = 501,671,320.02
  5. Step 5: Solve for x
    x = 501,671,320.02/22,643.40
  6. Step 6: Final answer
    x = 22,155.30

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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.