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Finding the Fourth Proportional to 30,014.84, 45,034.37 and 13,363.49

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Solution

The fourth proportional to 30,014.84, 45,034.37 and 13,363.49 is: 20,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,014.84 : 45,034.37 = 13,363.49 : x
  2. Step 2: Convert to fraction form
    30,014.84/45,034.37 = 13,363.49/x
  3. Step 3: Cross multiply
    30,014.84x = 45,034.37 × 13,363.49
  4. Step 4: Simplify right side
    30,014.84x = 601,816,353.15
  5. Step 5: Solve for x
    x = 601,816,353.15/30,014.84
  6. Step 6: Final answer
    x = 20,050.63

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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.