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Finding the Fourth Proportional to 5,049,907.89, 6,968,861.78 and 2,758,068.69

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Solution

The fourth proportional to 5,049,907.89, 6,968,861.78 and 2,758,068.69 is: 3,806,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049,907.89 : 6,968,861.78 = 2,758,068.69 : x
  2. Step 2: Convert to fraction form
    5,049,907.89/6,968,861.78 = 2,758,068.69/x
  3. Step 3: Cross multiply
    5,049,907.89x = 6,968,861.78 × 2,758,068.69
  4. Step 4: Simplify right side
    5,049,907.89x = 19,220,599,466,565.32
  5. Step 5: Solve for x
    x = 19,220,599,466,565.32/5,049,907.89
  6. Step 6: Final answer
    x = 3,806,128.72

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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.