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Finding the Fourth Proportional to 13,368.25, 20,053.46 and 4,134.25

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Solution

The fourth proportional to 13,368.25, 20,053.46 and 4,134.25 is: 6,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.25 : 20,053.46 = 4,134.25 : x
  2. Step 2: Convert to fraction form
    13,368.25/20,053.46 = 4,134.25/x
  3. Step 3: Cross multiply
    13,368.25x = 20,053.46 × 4,134.25
  4. Step 4: Simplify right side
    13,368.25x = 82,906,017.01
  5. Step 5: Solve for x
    x = 82,906,017.01/13,368.25
  6. Step 6: Final answer
    x = 6,201.71

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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.