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Finding the Fourth Proportional to 35,451.60, 53,164.80 and 15,694.80

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Solution

The fourth proportional to 35,451.60, 53,164.80 and 15,694.80 is: 23,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.60 : 53,164.80 = 15,694.80 : x
  2. Step 2: Convert to fraction form
    35,451.60/53,164.80 = 15,694.80/x
  3. Step 3: Cross multiply
    35,451.60x = 53,164.80 × 15,694.80
  4. Step 4: Simplify right side
    35,451.60x = 834,410,903.04
  5. Step 5: Solve for x
    x = 834,410,903.04/35,451.60
  6. Step 6: Final answer
    x = 23,536.62

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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.