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Finding the Fourth Proportional to 51,889.60, 77,834.40 and 16,832.80

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Solution

The fourth proportional to 51,889.60, 77,834.40 and 16,832.80 is: 25,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,889.60 : 77,834.40 = 16,832.80 : x
  2. Step 2: Convert to fraction form
    51,889.60/77,834.40 = 16,832.80/x
  3. Step 3: Cross multiply
    51,889.60x = 77,834.40 × 16,832.80
  4. Step 4: Simplify right side
    51,889.60x = 1,310,170,888.32
  5. Step 5: Solve for x
    x = 1,310,170,888.32/51,889.60
  6. Step 6: Final answer
    x = 25,249.20

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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.