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Finding the Fourth Proportional to 55,394.48, 83,106 and 15,954.67

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Solution

The fourth proportional to 55,394.48, 83,106 and 15,954.67 is: 23,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,394.48 : 83,106 = 15,954.67 : x
  2. Step 2: Convert to fraction form
    55,394.48/83,106 = 15,954.67/x
  3. Step 3: Cross multiply
    55,394.48x = 83,106 × 15,954.67
  4. Step 4: Simplify right side
    55,394.48x = 1,325,928,908.90
  5. Step 5: Solve for x
    x = 1,325,928,908.90/55,394.48
  6. Step 6: Final answer
    x = 23,936.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.