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Finding the Fourth Proportional to 55,896.40, 83,844.60 and 16,454.80

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Solution

The fourth proportional to 55,896.40, 83,844.60 and 16,454.80 is: 24,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,896.40 : 83,844.60 = 16,454.80 : x
  2. Step 2: Convert to fraction form
    55,896.40/83,844.60 = 16,454.80/x
  3. Step 3: Cross multiply
    55,896.40x = 83,844.60 × 16,454.80
  4. Step 4: Simplify right side
    55,896.40x = 1,379,646,124.08
  5. Step 5: Solve for x
    x = 1,379,646,124.08/55,896.40
  6. Step 6: Final answer
    x = 24,682.20

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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.