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Finding the Fourth Proportional to 14,679.40, 22,040.70 and 8,847.40

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Solution

The fourth proportional to 14,679.40, 22,040.70 and 8,847.40 is: 13,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.40 : 22,040.70 = 8,847.40 : x
  2. Step 2: Convert to fraction form
    14,679.40/22,040.70 = 8,847.40/x
  3. Step 3: Cross multiply
    14,679.40x = 22,040.70 × 8,847.40
  4. Step 4: Simplify right side
    14,679.40x = 195,002,889.18
  5. Step 5: Solve for x
    x = 195,002,889.18/14,679.40
  6. Step 6: Final answer
    x = 13,284.12

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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.