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Finding the Fourth Proportional to 6,871,834.94, 9,483,246.45 and 3,774,644.69

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Solution

The fourth proportional to 6,871,834.94, 9,483,246.45 and 3,774,644.69 is: 5,209,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871,834.94 : 9,483,246.45 = 3,774,644.69 : x
  2. Step 2: Convert to fraction form
    6,871,834.94/9,483,246.45 = 3,774,644.69/x
  3. Step 3: Cross multiply
    6,871,834.94x = 9,483,246.45 × 3,774,644.69
  4. Step 4: Simplify right side
    6,871,834.94x = 35,795,885,809,037.62
  5. Step 5: Solve for x
    x = 35,795,885,809,037.62/6,871,834.94
  6. Step 6: Final answer
    x = 5,209,072.42

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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.