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Finding the Fourth Proportional to 30,201.02, 45,281.54 and 14,408.49

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Solution

The fourth proportional to 30,201.02, 45,281.54 and 14,408.49 is: 21,603.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.02 : 45,281.54 = 14,408.49 : x
  2. Step 2: Convert to fraction form
    30,201.02/45,281.54 = 14,408.49/x
  3. Step 3: Cross multiply
    30,201.02x = 45,281.54 × 14,408.49
  4. Step 4: Simplify right side
    30,201.02x = 652,438,431.03
  5. Step 5: Solve for x
    x = 652,438,431.03/30,201.02
  6. Step 6: Final answer
    x = 21,603.19

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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.