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Finding the Fourth Proportional to 30,873.03, 46,309.68 and 7,499.46

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Solution

The fourth proportional to 30,873.03, 46,309.68 and 7,499.46 is: 11,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.03 : 46,309.68 = 7,499.46 : x
  2. Step 2: Convert to fraction form
    30,873.03/46,309.68 = 7,499.46/x
  3. Step 3: Cross multiply
    30,873.03x = 46,309.68 × 7,499.46
  4. Step 4: Simplify right side
    30,873.03x = 347,297,592.77
  5. Step 5: Solve for x
    x = 347,297,592.77/30,873.03
  6. Step 6: Final answer
    x = 11,249.22

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Similar ratio
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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.