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Finding the Fourth Proportional to 36,603.63, 54,880.61 and 11,636.19

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Solution

The fourth proportional to 36,603.63, 54,880.61 and 11,636.19 is: 17,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,603.63 : 54,880.61 = 11,636.19 : x
  2. Step 2: Convert to fraction form
    36,603.63/54,880.61 = 11,636.19/x
  3. Step 3: Cross multiply
    36,603.63x = 54,880.61 × 11,636.19
  4. Step 4: Simplify right side
    36,603.63x = 638,601,147.09
  5. Step 5: Solve for x
    x = 638,601,147.09/36,603.63
  6. Step 6: Final answer
    x = 17,446.39

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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.