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Finding the Fourth Proportional to 6,395,527.83, 8,826,728.54 and 4,071,677.97

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Solution

The fourth proportional to 6,395,527.83, 8,826,728.54 and 4,071,677.97 is: 5,619,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395,527.83 : 8,826,728.54 = 4,071,677.97 : x
  2. Step 2: Convert to fraction form
    6,395,527.83/8,826,728.54 = 4,071,677.97/x
  3. Step 3: Cross multiply
    6,395,527.83x = 8,826,728.54 × 4,071,677.97
  4. Step 4: Simplify right side
    6,395,527.83x = 35,939,596,123,129.88
  5. Step 5: Solve for x
    x = 35,939,596,123,129.88/6,395,527.83
  6. Step 6: Final answer
    x = 5,619,488.66

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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.