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Finding the Fourth Proportional to 36,295.43, 54,450.90 and 12,603.71

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Solution

The fourth proportional to 36,295.43, 54,450.90 and 12,603.71 is: 18,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,295.43 : 54,450.90 = 12,603.71 : x
  2. Step 2: Convert to fraction form
    36,295.43/54,450.90 = 12,603.71/x
  3. Step 3: Cross multiply
    36,295.43x = 54,450.90 × 12,603.71
  4. Step 4: Simplify right side
    36,295.43x = 686,283,080.58
  5. Step 5: Solve for x
    x = 686,283,080.58/36,295.43
  6. Step 6: Final answer
    x = 18,908.25

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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.