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Finding the Fourth Proportional to 14,644.70, 21,967.06 and 8,445.24

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Solution

The fourth proportional to 14,644.70, 21,967.06 and 8,445.24 is: 12,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.70 : 21,967.06 = 8,445.24 : x
  2. Step 2: Convert to fraction form
    14,644.70/21,967.06 = 8,445.24/x
  3. Step 3: Cross multiply
    14,644.70x = 21,967.06 × 8,445.24
  4. Step 4: Simplify right side
    14,644.70x = 185,517,093.79
  5. Step 5: Solve for x
    x = 185,517,093.79/14,644.70
  6. Step 6: Final answer
    x = 12,667.87

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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.