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Finding the Fourth Proportional to 14,913.40, 20,580.02 and 8,452.44

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Solution

The fourth proportional to 14,913.40, 20,580.02 and 8,452.44 is: 11,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.40 : 20,580.02 = 8,452.44 : x
  2. Step 2: Convert to fraction form
    14,913.40/20,580.02 = 8,452.44/x
  3. Step 3: Cross multiply
    14,913.40x = 20,580.02 × 8,452.44
  4. Step 4: Simplify right side
    14,913.40x = 173,951,384.25
  5. Step 5: Solve for x
    x = 173,951,384.25/14,913.40
  6. Step 6: Final answer
    x = 11,664.10

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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.