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Finding the Fourth Proportional to 5,972,880.40, 8,959,320.60 and 5,873,347.60

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Solution

The fourth proportional to 5,972,880.40, 8,959,320.60 and 5,873,347.60 is: 8,810,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972,880.40 : 8,959,320.60 = 5,873,347.60 : x
  2. Step 2: Convert to fraction form
    5,972,880.40/8,959,320.60 = 5,873,347.60/x
  3. Step 3: Cross multiply
    5,972,880.40x = 8,959,320.60 × 5,873,347.60
  4. Step 4: Simplify right side
    5,972,880.40x = 52,621,204,143,640.55
  5. Step 5: Solve for x
    x = 52,621,204,143,640.55/5,972,880.40
  6. Step 6: Final answer
    x = 8,810,021.40

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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.