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Finding the Fourth Proportional to 3,572,431.22, 5,358,821.88 and 1,442,249.48

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Solution

The fourth proportional to 3,572,431.22, 5,358,821.88 and 1,442,249.48 is: 2,163,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,431.22 : 5,358,821.88 = 1,442,249.48 : x
  2. Step 2: Convert to fraction form
    3,572,431.22/5,358,821.88 = 1,442,249.48/x
  3. Step 3: Cross multiply
    3,572,431.22x = 5,358,821.88 × 1,442,249.48
  4. Step 4: Simplify right side
    3,572,431.22x = 7,728,758,069,842.62
  5. Step 5: Solve for x
    x = 7,728,758,069,842.62/3,572,431.22
  6. Step 6: Final answer
    x = 2,163,444.89

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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.