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Finding the Fourth Proportional to 5,697,131.77, 8,545,697.66 and 1,910,603.71

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Solution

The fourth proportional to 5,697,131.77, 8,545,697.66 and 1,910,603.71 is: 2,865,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697,131.77 : 8,545,697.66 = 1,910,603.71 : x
  2. Step 2: Convert to fraction form
    5,697,131.77/8,545,697.66 = 1,910,603.71/x
  3. Step 3: Cross multiply
    5,697,131.77x = 8,545,697.66 × 1,910,603.71
  4. Step 4: Simplify right side
    5,697,131.77x = 16,327,441,653,734.32
  5. Step 5: Solve for x
    x = 16,327,441,653,734.32/5,697,131.77
  6. Step 6: Final answer
    x = 2,865,905.57

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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.