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Finding the Fourth Proportional to 5,368,867.72, 8,054,562.95 and 1,774,634.77

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Solution

The fourth proportional to 5,368,867.72, 8,054,562.95 and 1,774,634.77 is: 2,662,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368,867.72 : 8,054,562.95 = 1,774,634.77 : x
  2. Step 2: Convert to fraction form
    5,368,867.72/8,054,562.95 = 1,774,634.77/x
  3. Step 3: Cross multiply
    5,368,867.72x = 8,054,562.95 × 1,774,634.77
  4. Step 4: Simplify right side
    5,368,867.72x = 14,293,907,476,073.68
  5. Step 5: Solve for x
    x = 14,293,907,476,073.68/5,368,867.72
  6. Step 6: Final answer
    x = 2,662,369.09

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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.