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Finding the Fourth Proportional to 8,846.55, 12,207.68 and 5,069.67

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Solution

The fourth proportional to 8,846.55, 12,207.68 and 5,069.67 is: 6,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.55 : 12,207.68 = 5,069.67 : x
  2. Step 2: Convert to fraction form
    8,846.55/12,207.68 = 5,069.67/x
  3. Step 3: Cross multiply
    8,846.55x = 12,207.68 × 5,069.67
  4. Step 4: Simplify right side
    8,846.55x = 61,888,883.72
  5. Step 5: Solve for x
    x = 61,888,883.72/8,846.55
  6. Step 6: Final answer
    x = 6,995.82

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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.