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Finding the Fourth Proportional to 19,297.26, 28,900.53 and 9,405.54

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Solution

The fourth proportional to 19,297.26, 28,900.53 and 9,405.54 is: 14,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.26 : 28,900.53 = 9,405.54 : x
  2. Step 2: Convert to fraction form
    19,297.26/28,900.53 = 9,405.54/x
  3. Step 3: Cross multiply
    19,297.26x = 28,900.53 × 9,405.54
  4. Step 4: Simplify right side
    19,297.26x = 271,825,090.94
  5. Step 5: Solve for x
    x = 271,825,090.94/19,297.26
  6. Step 6: Final answer
    x = 14,086.20

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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.