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Finding the Fourth Proportional to 35,154, 48,518.28 and 20,258.64

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Solution

The fourth proportional to 35,154, 48,518.28 and 20,258.64 is: 27,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,154 : 48,518.28 = 20,258.64 : x
  2. Step 2: Convert to fraction form
    35,154/48,518.28 = 20,258.64/x
  3. Step 3: Cross multiply
    35,154x = 48,518.28 × 20,258.64
  4. Step 4: Simplify right side
    35,154x = 982,914,367.94
  5. Step 5: Solve for x
    x = 982,914,367.94/35,154
  6. Step 6: Final answer
    x = 27,960.24

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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.