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Finding the Fourth Proportional to 4,999,658.96, 6,899,507.90 and 2,794,518.67

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Solution

The fourth proportional to 4,999,658.96, 6,899,507.90 and 2,794,518.67 is: 3,856,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999,658.96 : 6,899,507.90 = 2,794,518.67 : x
  2. Step 2: Convert to fraction form
    4,999,658.96/6,899,507.90 = 2,794,518.67/x
  3. Step 3: Cross multiply
    4,999,658.96x = 6,899,507.90 × 2,794,518.67
  4. Step 4: Simplify right side
    4,999,658.96x = 19,280,803,640,362.49
  5. Step 5: Solve for x
    x = 19,280,803,640,362.49/4,999,658.96
  6. Step 6: Final answer
    x = 3,856,423.77

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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.