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Finding the Fourth Proportional to 73,994.40, 110,918.70 and 36,523.80

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Solution

The fourth proportional to 73,994.40, 110,918.70 and 36,523.80 is: 54,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,994.40 : 110,918.70 = 36,523.80 : x
  2. Step 2: Convert to fraction form
    73,994.40/110,918.70 = 36,523.80/x
  3. Step 3: Cross multiply
    73,994.40x = 110,918.70 × 36,523.80
  4. Step 4: Simplify right side
    73,994.40x = 4,051,172,415.06
  5. Step 5: Solve for x
    x = 4,051,172,415.06/73,994.40
  6. Step 6: Final answer
    x = 54,749.72

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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.