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Finding the Fourth Proportional to 30,168.33, 45,258.57 and 10,446.45

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Solution

The fourth proportional to 30,168.33, 45,258.57 and 10,446.45 is: 15,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.33 : 45,258.57 = 10,446.45 : x
  2. Step 2: Convert to fraction form
    30,168.33/45,258.57 = 10,446.45/x
  3. Step 3: Cross multiply
    30,168.33x = 45,258.57 × 10,446.45
  4. Step 4: Simplify right side
    30,168.33x = 472,791,388.58
  5. Step 5: Solve for x
    x = 472,791,388.58/30,168.33
  6. Step 6: Final answer
    x = 15,671.78

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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.