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Finding the Fourth Proportional to 36,653.99, 54,982.01 and 12,958.18

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Solution

The fourth proportional to 36,653.99, 54,982.01 and 12,958.18 is: 19,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,653.99 : 54,982.01 = 12,958.18 : x
  2. Step 2: Convert to fraction form
    36,653.99/54,982.01 = 12,958.18/x
  3. Step 3: Cross multiply
    36,653.99x = 54,982.01 × 12,958.18
  4. Step 4: Simplify right side
    36,653.99x = 712,466,677.28
  5. Step 5: Solve for x
    x = 712,466,677.28/36,653.99
  6. Step 6: Final answer
    x = 19,437.63

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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.