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Finding the Fourth Proportional to 36,597.60, 54,961.20 and 28,297.80

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Solution

The fourth proportional to 36,597.60, 54,961.20 and 28,297.80 is: 42,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,597.60 : 54,961.20 = 28,297.80 : x
  2. Step 2: Convert to fraction form
    36,597.60/54,961.20 = 28,297.80/x
  3. Step 3: Cross multiply
    36,597.60x = 54,961.20 × 28,297.80
  4. Step 4: Simplify right side
    36,597.60x = 1,555,281,045.36
  5. Step 5: Solve for x
    x = 1,555,281,045.36/36,597.60
  6. Step 6: Final answer
    x = 42,496.80

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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.