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Finding the Fourth Proportional to 2,762,728.04, 3,784,955.79 and 2,659,179.40

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Solution

The fourth proportional to 2,762,728.04, 3,784,955.79 and 2,659,179.40 is: 3,643,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762,728.04 : 3,784,955.79 = 2,659,179.40 : x
  2. Step 2: Convert to fraction form
    2,762,728.04/3,784,955.79 = 2,659,179.40/x
  3. Step 3: Cross multiply
    2,762,728.04x = 3,784,955.79 × 2,659,179.40
  4. Step 4: Simplify right side
    2,762,728.04x = 10,064,876,467,188.26
  5. Step 5: Solve for x
    x = 10,064,876,467,188.26/2,762,728.04
  6. Step 6: Final answer
    x = 3,643,093.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.