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Finding the Fourth Proportional to 36,693.94, 55,026.90 and 15,620.66

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Solution

The fourth proportional to 36,693.94, 55,026.90 and 15,620.66 is: 23,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693.94 : 55,026.90 = 15,620.66 : x
  2. Step 2: Convert to fraction form
    36,693.94/55,026.90 = 15,620.66/x
  3. Step 3: Cross multiply
    36,693.94x = 55,026.90 × 15,620.66
  4. Step 4: Simplify right side
    36,693.94x = 859,556,495.75
  5. Step 5: Solve for x
    x = 859,556,495.75/36,693.94
  6. Step 6: Final answer
    x = 23,425.03

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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.