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Finding the Fourth Proportional to 55,839.60, 83,613.60 and 36,010.80

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Solution

The fourth proportional to 55,839.60, 83,613.60 and 36,010.80 is: 53,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,839.60 : 83,613.60 = 36,010.80 : x
  2. Step 2: Convert to fraction form
    55,839.60/83,613.60 = 36,010.80/x
  3. Step 3: Cross multiply
    55,839.60x = 83,613.60 × 36,010.80
  4. Step 4: Simplify right side
    55,839.60x = 3,010,992,626.88
  5. Step 5: Solve for x
    x = 3,010,992,626.88/55,839.60
  6. Step 6: Final answer
    x = 53,922.17

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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.