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Finding the Fourth Proportional to 19,300.48, 29,080.45 and 17,453.68

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Solution

The fourth proportional to 19,300.48, 29,080.45 and 17,453.68 is: 26,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.48 : 29,080.45 = 17,453.68 : x
  2. Step 2: Convert to fraction form
    19,300.48/29,080.45 = 17,453.68/x
  3. Step 3: Cross multiply
    19,300.48x = 29,080.45 × 17,453.68
  4. Step 4: Simplify right side
    19,300.48x = 507,560,868.56
  5. Step 5: Solve for x
    x = 507,560,868.56/19,300.48
  6. Step 6: Final answer
    x = 26,297.84

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.