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Finding the Fourth Proportional to 22,699,914.40, 33,993,884.40 and 15,085,655.20

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Solution

The fourth proportional to 22,699,914.40, 33,993,884.40 and 15,085,655.20 is: 22,591,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699,914.40 : 33,993,884.40 = 15,085,655.20 : x
  2. Step 2: Convert to fraction form
    22,699,914.40/33,993,884.40 = 15,085,655.20/x
  3. Step 3: Cross multiply
    22,699,914.40x = 33,993,884.40 × 15,085,655.20
  4. Step 4: Simplify right side
    22,699,914.40x = 512,820,018,967,058.81
  5. Step 5: Solve for x
    x = 512,820,018,967,058.81/22,699,914.40
  6. Step 6: Final answer
    x = 22,591,275.45

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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.