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Finding the Fourth Proportional to 36,235.16, 54,352.90 and 9,940.20

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Solution

The fourth proportional to 36,235.16, 54,352.90 and 9,940.20 is: 14,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,235.16 : 54,352.90 = 9,940.20 : x
  2. Step 2: Convert to fraction form
    36,235.16/54,352.90 = 9,940.20/x
  3. Step 3: Cross multiply
    36,235.16x = 54,352.90 × 9,940.20
  4. Step 4: Simplify right side
    36,235.16x = 540,278,696.58
  5. Step 5: Solve for x
    x = 540,278,696.58/36,235.16
  6. Step 6: Final answer
    x = 14,910.34

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Double scale
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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.