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Finding the Fourth Proportional to 22,041.90, 33,055.41 and 7,998.99

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Solution

The fourth proportional to 22,041.90, 33,055.41 and 7,998.99 is: 11,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.90 : 33,055.41 = 7,998.99 : x
  2. Step 2: Convert to fraction form
    22,041.90/33,055.41 = 7,998.99/x
  3. Step 3: Cross multiply
    22,041.90x = 33,055.41 × 7,998.99
  4. Step 4: Simplify right side
    22,041.90x = 264,409,894.04
  5. Step 5: Solve for x
    x = 264,409,894.04/22,041.90
  6. Step 6: Final answer
    x = 11,995.79

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Double scale
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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.