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Finding the Fourth Proportional to 14,606.55, 21,919.53 and 5,372.55

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Solution

The fourth proportional to 14,606.55, 21,919.53 and 5,372.55 is: 8,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.55 : 21,919.53 = 5,372.55 : x
  2. Step 2: Convert to fraction form
    14,606.55/21,919.53 = 5,372.55/x
  3. Step 3: Cross multiply
    14,606.55x = 21,919.53 × 5,372.55
  4. Step 4: Simplify right side
    14,606.55x = 117,763,770.90
  5. Step 5: Solve for x
    x = 117,763,770.90/14,606.55
  6. Step 6: Final answer
    x = 8,062.39

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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.