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Finding the Fourth Proportional to 23,643,023.40, 35,436,978.90 and 10,864,819.80

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Solution

The fourth proportional to 23,643,023.40, 35,436,978.90 and 10,864,819.80 is: 16,284,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,643,023.40 : 35,436,978.90 = 10,864,819.80 : x
  2. Step 2: Convert to fraction form
    23,643,023.40/35,436,978.90 = 10,864,819.80/x
  3. Step 3: Cross multiply
    23,643,023.40x = 35,436,978.90 × 10,864,819.80
  4. Step 4: Simplify right side
    23,643,023.40x = 385,016,390,004,902.25
  5. Step 5: Solve for x
    x = 385,016,390,004,902.25/23,643,023.40
  6. Step 6: Final answer
    x = 16,284,566.63

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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.