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Finding the Fourth Proportional to 7,805,524.15, 11,719,796.02 and 4,354,007.74

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Solution

The fourth proportional to 7,805,524.15, 11,719,796.02 and 4,354,007.74 is: 6,537,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805,524.15 : 11,719,796.02 = 4,354,007.74 : x
  2. Step 2: Convert to fraction form
    7,805,524.15/11,719,796.02 = 4,354,007.74/x
  3. Step 3: Cross multiply
    7,805,524.15x = 11,719,796.02 × 4,354,007.74
  4. Step 4: Simplify right side
    7,805,524.15x = 51,028,082,514,804.54
  5. Step 5: Solve for x
    x = 51,028,082,514,804.54/7,805,524.15
  6. Step 6: Final answer
    x = 6,537,431.89

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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.