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Finding the Fourth Proportional to 13,673.70, 20,500.02 and 6,272.82

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Solution

The fourth proportional to 13,673.70, 20,500.02 and 6,272.82 is: 9,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.70 : 20,500.02 = 6,272.82 : x
  2. Step 2: Convert to fraction form
    13,673.70/20,500.02 = 6,272.82/x
  3. Step 3: Cross multiply
    13,673.70x = 20,500.02 × 6,272.82
  4. Step 4: Simplify right side
    13,673.70x = 128,592,935.46
  5. Step 5: Solve for x
    x = 128,592,935.46/13,673.70
  6. Step 6: Final answer
    x = 9,404.40

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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.