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Finding the Fourth Proportional to 73,357.60, 110,036.40 and 33,991.60

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Solution

The fourth proportional to 73,357.60, 110,036.40 and 33,991.60 is: 50,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,357.60 : 110,036.40 = 33,991.60 : x
  2. Step 2: Convert to fraction form
    73,357.60/110,036.40 = 33,991.60/x
  3. Step 3: Cross multiply
    73,357.60x = 110,036.40 × 33,991.60
  4. Step 4: Simplify right side
    73,357.60x = 3,740,313,294.24
  5. Step 5: Solve for x
    x = 3,740,313,294.24/73,357.60
  6. Step 6: Final answer
    x = 50,987.40

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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.