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Finding the Fourth Proportional to 19,797.88, 29,693.94 and 7,483

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Solution

The fourth proportional to 19,797.88, 29,693.94 and 7,483 is: 11,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.88 : 29,693.94 = 7,483 : x
  2. Step 2: Convert to fraction form
    19,797.88/29,693.94 = 7,483/x
  3. Step 3: Cross multiply
    19,797.88x = 29,693.94 × 7,483
  4. Step 4: Simplify right side
    19,797.88x = 222,199,753.02
  5. Step 5: Solve for x
    x = 222,199,753.02/19,797.88
  6. Step 6: Final answer
    x = 11,223.41

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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.