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Finding the Fourth Proportional to 22,047.66, 33,036.93 and 18,747.18

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Solution

The fourth proportional to 22,047.66, 33,036.93 and 18,747.18 is: 28,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.66 : 33,036.93 = 18,747.18 : x
  2. Step 2: Convert to fraction form
    22,047.66/33,036.93 = 18,747.18/x
  3. Step 3: Cross multiply
    22,047.66x = 33,036.93 × 18,747.18
  4. Step 4: Simplify right side
    22,047.66x = 619,349,273.36
  5. Step 5: Solve for x
    x = 619,349,273.36/22,047.66
  6. Step 6: Final answer
    x = 28,091.38

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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.