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Finding the Fourth Proportional to 6,655,056.64, 9,183,978.17 and 3,599,270.89

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Solution

The fourth proportional to 6,655,056.64, 9,183,978.17 and 3,599,270.89 is: 4,966,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655,056.64 : 9,183,978.17 = 3,599,270.89 : x
  2. Step 2: Convert to fraction form
    6,655,056.64/9,183,978.17 = 3,599,270.89/x
  3. Step 3: Cross multiply
    6,655,056.64x = 9,183,978.17 × 3,599,270.89
  4. Step 4: Simplify right side
    6,655,056.64x = 33,055,625,281,676.47
  5. Step 5: Solve for x
    x = 33,055,625,281,676.47/6,655,056.64
  6. Step 6: Final answer
    x = 4,966,993.83

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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.