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Finding the Fourth Proportional to 73,080.48, 109,555.92 and 35,619.60

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Solution

The fourth proportional to 73,080.48, 109,555.92 and 35,619.60 is: 53,397.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,080.48 : 109,555.92 = 35,619.60 : x
  2. Step 2: Convert to fraction form
    73,080.48/109,555.92 = 35,619.60/x
  3. Step 3: Cross multiply
    73,080.48x = 109,555.92 × 35,619.60
  4. Step 4: Simplify right side
    73,080.48x = 3,902,338,048.03
  5. Step 5: Solve for x
    x = 3,902,338,048.03/73,080.48
  6. Step 6: Final answer
    x = 53,397.82

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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.