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Finding the Fourth Proportional to 30,453.08, 45,685.02 and 10,743.08

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Solution

The fourth proportional to 30,453.08, 45,685.02 and 10,743.08 is: 16,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.08 : 45,685.02 = 10,743.08 : x
  2. Step 2: Convert to fraction form
    30,453.08/45,685.02 = 10,743.08/x
  3. Step 3: Cross multiply
    30,453.08x = 45,685.02 × 10,743.08
  4. Step 4: Simplify right side
    30,453.08x = 490,797,824.66
  5. Step 5: Solve for x
    x = 490,797,824.66/30,453.08
  6. Step 6: Final answer
    x = 16,116.52

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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.