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Finding the Fourth Proportional to 30,195.99, 45,296.24 and 8,008.88

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Solution

The fourth proportional to 30,195.99, 45,296.24 and 8,008.88 is: 12,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.99 : 45,296.24 = 8,008.88 : x
  2. Step 2: Convert to fraction form
    30,195.99/45,296.24 = 8,008.88/x
  3. Step 3: Cross multiply
    30,195.99x = 45,296.24 × 8,008.88
  4. Step 4: Simplify right side
    30,195.99x = 362,771,884.09
  5. Step 5: Solve for x
    x = 362,771,884.09/30,195.99
  6. Step 6: Final answer
    x = 12,013.91

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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.