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Finding the Fourth Proportional to 13,821.01, 19,073.01 and 7,533.39

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Solution

The fourth proportional to 13,821.01, 19,073.01 and 7,533.39 is: 10,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.01 : 19,073.01 = 7,533.39 : x
  2. Step 2: Convert to fraction form
    13,821.01/19,073.01 = 7,533.39/x
  3. Step 3: Cross multiply
    13,821.01x = 19,073.01 × 7,533.39
  4. Step 4: Simplify right side
    13,821.01x = 143,684,422.80
  5. Step 5: Solve for x
    x = 143,684,422.80/13,821.01
  6. Step 6: Final answer
    x = 10,396.09

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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.