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Finding the Fourth Proportional to 6,395,650.46, 8,826,897.77 and 4,071,800.64

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Solution

The fourth proportional to 6,395,650.46, 8,826,897.77 and 4,071,800.64 is: 5,619,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395,650.46 : 8,826,897.77 = 4,071,800.64 : x
  2. Step 2: Convert to fraction form
    6,395,650.46/8,826,897.77 = 4,071,800.64/x
  3. Step 3: Cross multiply
    6,395,650.46x = 8,826,897.77 × 4,071,800.64
  4. Step 4: Simplify right side
    6,395,650.46x = 35,941,367,989,100.57
  5. Step 5: Solve for x
    x = 35,941,367,989,100.57/6,395,650.46
  6. Step 6: Final answer
    x = 5,619,657.96

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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.