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Finding the Fourth Proportional to 30,076.68, 45,089.10 and 14,505.24

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Solution

The fourth proportional to 30,076.68, 45,089.10 and 14,505.24 is: 21,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,076.68 : 45,089.10 = 14,505.24 : x
  2. Step 2: Convert to fraction form
    30,076.68/45,089.10 = 14,505.24/x
  3. Step 3: Cross multiply
    30,076.68x = 45,089.10 × 14,505.24
  4. Step 4: Simplify right side
    30,076.68x = 654,028,216.88
  5. Step 5: Solve for x
    x = 654,028,216.88/30,076.68
  6. Step 6: Final answer
    x = 21,745.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.