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Finding the Fourth Proportional to 43,843,722.30, 65,765,583.45 and 13,554,647.10

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Solution

The fourth proportional to 43,843,722.30, 65,765,583.45 and 13,554,647.10 is: 20,331,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,843,722.30 : 65,765,583.45 = 13,554,647.10 : x
  2. Step 2: Convert to fraction form
    43,843,722.30/65,765,583.45 = 13,554,647.10/x
  3. Step 3: Cross multiply
    43,843,722.30x = 65,765,583.45 × 13,554,647.10
  4. Step 4: Simplify right side
    43,843,722.30x = 891,429,274,990,350.50
  5. Step 5: Solve for x
    x = 891,429,274,990,350.50/43,843,722.30
  6. Step 6: Final answer
    x = 20,331,970.65

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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.