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Finding the Fourth Proportional to 6,745.95, 10,170.83 and 6,624.99

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Solution

The fourth proportional to 6,745.95, 10,170.83 and 6,624.99 is: 9,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.95 : 10,170.83 = 6,624.99 : x
  2. Step 2: Convert to fraction form
    6,745.95/10,170.83 = 6,624.99/x
  3. Step 3: Cross multiply
    6,745.95x = 10,170.83 × 6,624.99
  4. Step 4: Simplify right side
    6,745.95x = 67,381,663.60
  5. Step 5: Solve for x
    x = 67,381,663.60/6,745.95
  6. Step 6: Final answer
    x = 9,988.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.