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Finding the Fourth Proportional to 22,473,865.80, 33,661,032.30 and 18,492,553.80

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Solution

The fourth proportional to 22,473,865.80, 33,661,032.30 and 18,492,553.80 is: 27,697,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,473,865.80 : 33,661,032.30 = 18,492,553.80 : x
  2. Step 2: Convert to fraction form
    22,473,865.80/33,661,032.30 = 18,492,553.80/x
  3. Step 3: Cross multiply
    22,473,865.80x = 33,661,032.30 × 18,492,553.80
  4. Step 4: Simplify right side
    22,473,865.80x = 622,478,450,771,287.75
  5. Step 5: Solve for x
    x = 622,478,450,771,287.75/22,473,865.80
  6. Step 6: Final answer
    x = 27,697,880.57

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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.