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Finding the Fourth Proportional to 35,958,911.60, 53,945,365.80 and 10,400,754.80

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Solution

The fourth proportional to 35,958,911.60, 53,945,365.80 and 10,400,754.80 is: 15,603,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,958,911.60 : 53,945,365.80 = 10,400,754.80 : x
  2. Step 2: Convert to fraction form
    35,958,911.60/53,945,365.80 = 10,400,754.80/x
  3. Step 3: Cross multiply
    35,958,911.60x = 53,945,365.80 × 10,400,754.80
  4. Step 4: Simplify right side
    35,958,911.60x = 561,072,522,282,105.88
  5. Step 5: Solve for x
    x = 561,072,522,282,105.88/35,958,911.60
  6. Step 6: Final answer
    x = 15,603,156.42

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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.