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Finding the Fourth Proportional to 13,717.70, 20,576.53 and 4,483.70

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Solution

The fourth proportional to 13,717.70, 20,576.53 and 4,483.70 is: 6,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.70 : 20,576.53 = 4,483.70 : x
  2. Step 2: Convert to fraction form
    13,717.70/20,576.53 = 4,483.70/x
  3. Step 3: Cross multiply
    13,717.70x = 20,576.53 × 4,483.70
  4. Step 4: Simplify right side
    13,717.70x = 92,258,873.47
  5. Step 5: Solve for x
    x = 92,258,873.47/13,717.70
  6. Step 6: Final answer
    x = 6,725.54

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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.