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Finding the Fourth Proportional to 9,793,905.80, 14,676,516.30 and 8,783,025.80

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Solution

The fourth proportional to 9,793,905.80, 14,676,516.30 and 8,783,025.80 is: 13,161,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793,905.80 : 14,676,516.30 = 8,783,025.80 : x
  2. Step 2: Convert to fraction form
    9,793,905.80/14,676,516.30 = 8,783,025.80/x
  3. Step 3: Cross multiply
    9,793,905.80x = 14,676,516.30 × 8,783,025.80
  4. Step 4: Simplify right side
    9,793,905.80x = 128,904,221,317,020.56
  5. Step 5: Solve for x
    x = 128,904,221,317,020.56/9,793,905.80
  6. Step 6: Final answer
    x = 13,161,676.65

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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.