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Finding the Fourth Proportional to 18,765,258.60, 26,324,446.20 and 18,765,258.60

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Solution

The fourth proportional to 18,765,258.60, 26,324,446.20 and 18,765,258.60 is: 26,324,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765,258.60 : 26,324,446.20 = 18,765,258.60 : x
  2. Step 2: Convert to fraction form
    18,765,258.60/26,324,446.20 = 18,765,258.60/x
  3. Step 3: Cross multiply
    18,765,258.60x = 26,324,446.20 × 18,765,258.60
  4. Step 4: Simplify right side
    18,765,258.60x = 493,985,040,444,787.38
  5. Step 5: Solve for x
    x = 493,985,040,444,787.38/18,765,258.60
  6. Step 6: Final answer
    x = 26,324,446.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.