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Finding the Fourth Proportional to 8,983,640.07, 13,469,714.87 and 5,339,397.87

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Solution

The fourth proportional to 8,983,640.07, 13,469,714.87 and 5,339,397.87 is: 8,005,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983,640.07 : 13,469,714.87 = 5,339,397.87 : x
  2. Step 2: Convert to fraction form
    8,983,640.07/13,469,714.87 = 5,339,397.87/x
  3. Step 3: Cross multiply
    8,983,640.07x = 13,469,714.87 × 5,339,397.87
  4. Step 4: Simplify right side
    8,983,640.07x = 71,920,166,859,688.34
  5. Step 5: Solve for x
    x = 71,920,166,859,688.34/8,983,640.07
  6. Step 6: Final answer
    x = 8,005,682.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.