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Finding the Fourth Proportional to 73,903.44, 110,855.32 and 18,499.60

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Solution

The fourth proportional to 73,903.44, 110,855.32 and 18,499.60 is: 27,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,903.44 : 110,855.32 = 18,499.60 : x
  2. Step 2: Convert to fraction form
    73,903.44/110,855.32 = 18,499.60/x
  3. Step 3: Cross multiply
    73,903.44x = 110,855.32 × 18,499.60
  4. Step 4: Simplify right side
    73,903.44x = 2,050,779,077.87
  5. Step 5: Solve for x
    x = 2,050,779,077.87/73,903.44
  6. Step 6: Final answer
    x = 27,749.44

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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.