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Finding the Fourth Proportional to 22,232.60, 33,348.90 and 19,705.40

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Solution

The fourth proportional to 22,232.60, 33,348.90 and 19,705.40 is: 29,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,232.60 : 33,348.90 = 19,705.40 : x
  2. Step 2: Convert to fraction form
    22,232.60/33,348.90 = 19,705.40/x
  3. Step 3: Cross multiply
    22,232.60x = 33,348.90 × 19,705.40
  4. Step 4: Simplify right side
    22,232.60x = 657,153,414.06
  5. Step 5: Solve for x
    x = 657,153,414.06/22,232.60
  6. Step 6: Final answer
    x = 29,558.10

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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.