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Finding the Fourth Proportional to 33,145.54, 45,740.40 and 18,038.03

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Solution

The fourth proportional to 33,145.54, 45,740.40 and 18,038.03 is: 24,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.54 : 45,740.40 = 18,038.03 : x
  2. Step 2: Convert to fraction form
    33,145.54/45,740.40 = 18,038.03/x
  3. Step 3: Cross multiply
    33,145.54x = 45,740.40 × 18,038.03
  4. Step 4: Simplify right side
    33,145.54x = 825,066,411.07
  5. Step 5: Solve for x
    x = 825,066,411.07/33,145.54
  6. Step 6: Final answer
    x = 24,892.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.