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Finding the Fourth Proportional to 35,690.80, 53,478.60 and 22,519.60

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Solution

The fourth proportional to 35,690.80, 53,478.60 and 22,519.60 is: 33,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.80 : 53,478.60 = 22,519.60 : x
  2. Step 2: Convert to fraction form
    35,690.80/53,478.60 = 22,519.60/x
  3. Step 3: Cross multiply
    35,690.80x = 53,478.60 × 22,519.60
  4. Step 4: Simplify right side
    35,690.80x = 1,204,316,680.56
  5. Step 5: Solve for x
    x = 1,204,316,680.56/35,690.80
  6. Step 6: Final answer
    x = 33,743.06

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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.