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Finding the Fourth Proportional to 5,333,892.86, 7,360,794.60 and 2,886,504.03

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Solution

The fourth proportional to 5,333,892.86, 7,360,794.60 and 2,886,504.03 is: 3,983,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333,892.86 : 7,360,794.60 = 2,886,504.03 : x
  2. Step 2: Convert to fraction form
    5,333,892.86/7,360,794.60 = 2,886,504.03/x
  3. Step 3: Cross multiply
    5,333,892.86x = 7,360,794.60 × 2,886,504.03
  4. Step 4: Simplify right side
    5,333,892.86x = 21,246,963,266,077.85
  5. Step 5: Solve for x
    x = 21,246,963,266,077.85/5,333,892.86
  6. Step 6: Final answer
    x = 3,983,387.71

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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.