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Finding the Fourth Proportional to 4,892,877.15, 7,339,315.73 and 4,892,877.15

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Solution

The fourth proportional to 4,892,877.15, 7,339,315.73 and 4,892,877.15 is: 7,339,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892,877.15 : 7,339,315.73 = 4,892,877.15 : x
  2. Step 2: Convert to fraction form
    4,892,877.15/7,339,315.73 = 4,892,877.15/x
  3. Step 3: Cross multiply
    4,892,877.15x = 7,339,315.73 × 4,892,877.15
  4. Step 4: Simplify right side
    4,892,877.15x = 35,910,370,207,488.19
  5. Step 5: Solve for x
    x = 35,910,370,207,488.19/4,892,877.15
  6. Step 6: Final answer
    x = 7,339,315.73

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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.