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Finding the Fourth Proportional to 35,318.70, 48,740.58 and 19,404.06

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Solution

The fourth proportional to 35,318.70, 48,740.58 and 19,404.06 is: 26,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.70 : 48,740.58 = 19,404.06 : x
  2. Step 2: Convert to fraction form
    35,318.70/48,740.58 = 19,404.06/x
  3. Step 3: Cross multiply
    35,318.70x = 48,740.58 × 19,404.06
  4. Step 4: Simplify right side
    35,318.70x = 945,765,138.75
  5. Step 5: Solve for x
    x = 945,765,138.75/35,318.70
  6. Step 6: Final answer
    x = 26,778.03

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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.