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Finding the Fourth Proportional to 13,997,352.48, 20,996,029.04 and 3,359,784.48

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Solution

The fourth proportional to 13,997,352.48, 20,996,029.04 and 3,359,784.48 is: 5,039,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,352.48 : 20,996,029.04 = 3,359,784.48 : x
  2. Step 2: Convert to fraction form
    13,997,352.48/20,996,029.04 = 3,359,784.48/x
  3. Step 3: Cross multiply
    13,997,352.48x = 20,996,029.04 × 3,359,784.48
  4. Step 4: Simplify right side
    13,997,352.48x = 70,542,132,510,221.30
  5. Step 5: Solve for x
    x = 70,542,132,510,221.30/13,997,352.48
  6. Step 6: Final answer
    x = 5,039,676.80

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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.