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Finding the Fourth Proportional to 55,846.64, 83,768.79 and 18,408.95

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Solution

The fourth proportional to 55,846.64, 83,768.79 and 18,408.95 is: 27,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,846.64 : 83,768.79 = 18,408.95 : x
  2. Step 2: Convert to fraction form
    55,846.64/83,768.79 = 18,408.95/x
  3. Step 3: Cross multiply
    55,846.64x = 83,768.79 × 18,408.95
  4. Step 4: Simplify right side
    55,846.64x = 1,542,095,047.83
  5. Step 5: Solve for x
    x = 1,542,095,047.83/55,846.64
  6. Step 6: Final answer
    x = 27,613.03

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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.