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Finding the Fourth Proportional to 4,953,989.97, 6,836,504.09 and 2,888,607.02

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Solution

The fourth proportional to 4,953,989.97, 6,836,504.09 and 2,888,607.02 is: 3,986,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953,989.97 : 6,836,504.09 = 2,888,607.02 : x
  2. Step 2: Convert to fraction form
    4,953,989.97/6,836,504.09 = 2,888,607.02/x
  3. Step 3: Cross multiply
    4,953,989.97x = 6,836,504.09 × 2,888,607.02
  4. Step 4: Simplify right side
    4,953,989.97x = 19,747,973,658,007.16
  5. Step 5: Solve for x
    x = 19,747,973,658,007.16/4,953,989.97
  6. Step 6: Final answer
    x = 3,986,276.47

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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.