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Finding the Fourth Proportional to 6,496.36, 9,745.50 and 1,878.76

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Solution

The fourth proportional to 6,496.36, 9,745.50 and 1,878.76 is: 2,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,496.36 : 9,745.50 = 1,878.76 : x
  2. Step 2: Convert to fraction form
    6,496.36/9,745.50 = 1,878.76/x
  3. Step 3: Cross multiply
    6,496.36x = 9,745.50 × 1,878.76
  4. Step 4: Simplify right side
    6,496.36x = 18,309,455.58
  5. Step 5: Solve for x
    x = 18,309,455.58/6,496.36
  6. Step 6: Final answer
    x = 2,818.42

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1.5x scale

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.