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Finding the Fourth Proportional to 3,883,597.39, 5,823,707.66 and 1,113,255.09

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Solution

The fourth proportional to 3,883,597.39, 5,823,707.66 and 1,113,255.09 is: 1,669,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883,597.39 : 5,823,707.66 = 1,113,255.09 : x
  2. Step 2: Convert to fraction form
    3,883,597.39/5,823,707.66 = 1,113,255.09/x
  3. Step 3: Cross multiply
    3,883,597.39x = 5,823,707.66 × 1,113,255.09
  4. Step 4: Simplify right side
    3,883,597.39x = 6,483,272,189,600.72
  5. Step 5: Solve for x
    x = 6,483,272,189,600.72/3,883,597.39
  6. Step 6: Final answer
    x = 1,669,398.64

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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.