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Finding the Fourth Proportional to 40,295,997.60, 60,443,996.40 and 29,042,570.40

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Solution

The fourth proportional to 40,295,997.60, 60,443,996.40 and 29,042,570.40 is: 43,563,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,295,997.60 : 60,443,996.40 = 29,042,570.40 : x
  2. Step 2: Convert to fraction form
    40,295,997.60/60,443,996.40 = 29,042,570.40/x
  3. Step 3: Cross multiply
    40,295,997.60x = 60,443,996.40 × 29,042,570.40
  4. Step 4: Simplify right side
    40,295,997.60x = 1,755,449,020,704,346.50
  5. Step 5: Solve for x
    x = 1,755,449,020,704,346.50/40,295,997.60
  6. Step 6: Final answer
    x = 43,563,855.60

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1.5x scale

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.