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Finding the Fourth Proportional to 22,350.40, 33,590.40 and 19,499.20

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Solution

The fourth proportional to 22,350.40, 33,590.40 and 19,499.20 is: 29,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.40 : 33,590.40 = 19,499.20 : x
  2. Step 2: Convert to fraction form
    22,350.40/33,590.40 = 19,499.20/x
  3. Step 3: Cross multiply
    22,350.40x = 33,590.40 × 19,499.20
  4. Step 4: Simplify right side
    22,350.40x = 654,985,927.68
  5. Step 5: Solve for x
    x = 654,985,927.68/22,350.40
  6. Step 6: Final answer
    x = 29,305.33

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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.