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Finding the Fourth Proportional to 6,506,801.70, 8,979,387.12 and 3,606,379.71

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Solution

The fourth proportional to 6,506,801.70, 8,979,387.12 and 3,606,379.71 is: 4,976,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506,801.70 : 8,979,387.12 = 3,606,379.71 : x
  2. Step 2: Convert to fraction form
    6,506,801.70/8,979,387.12 = 3,606,379.71/x
  3. Step 3: Cross multiply
    6,506,801.70x = 8,979,387.12 × 3,606,379.71
  4. Step 4: Simplify right side
    6,506,801.70x = 32,383,079,517,803.33
  5. Step 5: Solve for x
    x = 32,383,079,517,803.33/6,506,801.70
  6. Step 6: Final answer
    x = 4,976,804.43

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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.