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Finding the Fourth Proportional to 6,697,978.84, 10,034,291.14 and 3,957,330.27

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Solution

The fourth proportional to 6,697,978.84, 10,034,291.14 and 3,957,330.27 is: 5,928,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697,978.84 : 10,034,291.14 = 3,957,330.27 : x
  2. Step 2: Convert to fraction form
    6,697,978.84/10,034,291.14 = 3,957,330.27/x
  3. Step 3: Cross multiply
    6,697,978.84x = 10,034,291.14 × 3,957,330.27
  4. Step 4: Simplify right side
    6,697,978.84x = 39,709,004,006,250.02
  5. Step 5: Solve for x
    x = 39,709,004,006,250.02/6,697,978.84
  6. Step 6: Final answer
    x = 5,928,505.45

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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.