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Finding the Fourth Proportional to 6,631,774.79, 9,947,661.24 and 1,839,464

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Solution

The fourth proportional to 6,631,774.79, 9,947,661.24 and 1,839,464 is: 2,759,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,774.79 : 9,947,661.24 = 1,839,464 : x
  2. Step 2: Convert to fraction form
    6,631,774.79/9,947,661.24 = 1,839,464/x
  3. Step 3: Cross multiply
    6,631,774.79x = 9,947,661.24 × 1,839,464
  4. Step 4: Simplify right side
    6,631,774.79x = 18,298,364,735,175.36
  5. Step 5: Solve for x
    x = 18,298,364,735,175.36/6,631,774.79
  6. Step 6: Final answer
    x = 2,759,195.74

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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.