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Finding the Fourth Proportional to 5,605,879.64, 7,736,113.26 and 3,027,560.60

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Solution

The fourth proportional to 5,605,879.64, 7,736,113.26 and 3,027,560.60 is: 4,178,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605,879.64 : 7,736,113.26 = 3,027,560.60 : x
  2. Step 2: Convert to fraction form
    5,605,879.64/7,736,113.26 = 3,027,560.60/x
  3. Step 3: Cross multiply
    5,605,879.64x = 7,736,113.26 × 3,027,560.60
  4. Step 4: Simplify right side
    5,605,879.64x = 23,421,551,703,113.55
  5. Step 5: Solve for x
    x = 23,421,551,703,113.55/5,605,879.64
  6. Step 6: Final answer
    x = 4,178,033.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.