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Finding the Fourth Proportional to 22,984,930.40, 34,477,395.60 and 10,191,855.20

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Solution

The fourth proportional to 22,984,930.40, 34,477,395.60 and 10,191,855.20 is: 15,287,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,984,930.40 : 34,477,395.60 = 10,191,855.20 : x
  2. Step 2: Convert to fraction form
    22,984,930.40/34,477,395.60 = 10,191,855.20/x
  3. Step 3: Cross multiply
    22,984,930.40x = 34,477,395.60 × 10,191,855.20
  4. Step 4: Simplify right side
    22,984,930.40x = 351,388,623,628,317.12
  5. Step 5: Solve for x
    x = 351,388,623,628,317.12/22,984,930.40
  6. Step 6: Final answer
    x = 15,287,782.80

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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.