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Finding the Fourth Proportional to 6,395,653.08, 8,826,901.38 and 4,071,803.26

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Solution

The fourth proportional to 6,395,653.08, 8,826,901.38 and 4,071,803.26 is: 5,619,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395,653.08 : 8,826,901.38 = 4,071,803.26 : x
  2. Step 2: Convert to fraction form
    6,395,653.08/8,826,901.38 = 4,071,803.26/x
  3. Step 3: Cross multiply
    6,395,653.08x = 8,826,901.38 × 4,071,803.26
  4. Step 4: Simplify right side
    6,395,653.08x = 35,941,405,840,778.85
  5. Step 5: Solve for x
    x = 35,941,405,840,778.85/6,395,653.08
  6. Step 6: Final answer
    x = 5,619,661.57

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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.