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Finding the Fourth Proportional to 6,069,508.92, 8,375,824.56 and 3,316,137.20

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Solution

The fourth proportional to 6,069,508.92, 8,375,824.56 and 3,316,137.20 is: 4,576,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,069,508.92 : 8,375,824.56 = 3,316,137.20 : x
  2. Step 2: Convert to fraction form
    6,069,508.92/8,375,824.56 = 3,316,137.20/x
  3. Step 3: Cross multiply
    6,069,508.92x = 8,375,824.56 × 3,316,137.20
  4. Step 4: Simplify right side
    6,069,508.92x = 27,775,383,404,089.63
  5. Step 5: Solve for x
    x = 27,775,383,404,089.63/6,069,508.92
  6. Step 6: Final answer
    x = 4,576,215.93

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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.