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Finding the Fourth Proportional to 6,883.61, 9,499.95 and 4,231.67

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Solution

The fourth proportional to 6,883.61, 9,499.95 and 4,231.67 is: 5,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.61 : 9,499.95 = 4,231.67 : x
  2. Step 2: Convert to fraction form
    6,883.61/9,499.95 = 4,231.67/x
  3. Step 3: Cross multiply
    6,883.61x = 9,499.95 × 4,231.67
  4. Step 4: Simplify right side
    6,883.61x = 40,200,605.92
  5. Step 5: Solve for x
    x = 40,200,605.92/6,883.61
  6. Step 6: Final answer
    x = 5,840.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.