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Finding the Fourth Proportional to 55,395.54, 83,093.40 and 13,842.54

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Solution

The fourth proportional to 55,395.54, 83,093.40 and 13,842.54 is: 20,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,395.54 : 83,093.40 = 13,842.54 : x
  2. Step 2: Convert to fraction form
    55,395.54/83,093.40 = 13,842.54/x
  3. Step 3: Cross multiply
    55,395.54x = 83,093.40 × 13,842.54
  4. Step 4: Simplify right side
    55,395.54x = 1,150,223,713.24
  5. Step 5: Solve for x
    x = 1,150,223,713.24/55,395.54
  6. Step 6: Final answer
    x = 20,763.83

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1.5x scale

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.