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Finding the Fourth Proportional to 14,245.56, 21,368.07 and 8,363.34

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Solution

The fourth proportional to 14,245.56, 21,368.07 and 8,363.34 is: 12,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.56 : 21,368.07 = 8,363.34 : x
  2. Step 2: Convert to fraction form
    14,245.56/21,368.07 = 8,363.34/x
  3. Step 3: Cross multiply
    14,245.56x = 21,368.07 × 8,363.34
  4. Step 4: Simplify right side
    14,245.56x = 178,708,434.55
  5. Step 5: Solve for x
    x = 178,708,434.55/14,245.56
  6. Step 6: Final answer
    x = 12,544.85

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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.