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Finding the Fourth Proportional to 5,764,494.86, 7,955,172.08 and 3,151,143.36

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Solution

The fourth proportional to 5,764,494.86, 7,955,172.08 and 3,151,143.36 is: 4,348,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,764,494.86 : 7,955,172.08 = 3,151,143.36 : x
  2. Step 2: Convert to fraction form
    5,764,494.86/7,955,172.08 = 3,151,143.36/x
  3. Step 3: Cross multiply
    5,764,494.86x = 7,955,172.08 × 3,151,143.36
  4. Step 4: Simplify right side
    5,764,494.86x = 25,067,887,677,549.39
  5. Step 5: Solve for x
    x = 25,067,887,677,549.39/5,764,494.86
  6. Step 6: Final answer
    x = 4,348,670.31

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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.