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Finding the Fourth Proportional to 30,049.47, 45,074.15 and 11,333.71

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Solution

The fourth proportional to 30,049.47, 45,074.15 and 11,333.71 is: 17,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.47 : 45,074.15 = 11,333.71 : x
  2. Step 2: Convert to fraction form
    30,049.47/45,074.15 = 11,333.71/x
  3. Step 3: Cross multiply
    30,049.47x = 45,074.15 × 11,333.71
  4. Step 4: Simplify right side
    30,049.47x = 510,857,344.60
  5. Step 5: Solve for x
    x = 510,857,344.60/30,049.47
  6. Step 6: Final answer
    x = 17,000.54

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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.