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Finding the Fourth Proportional to 36,007.40, 54,003.90 and 17,287.40

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Solution

The fourth proportional to 36,007.40, 54,003.90 and 17,287.40 is: 25,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,007.40 : 54,003.90 = 17,287.40 : x
  2. Step 2: Convert to fraction form
    36,007.40/54,003.90 = 17,287.40/x
  3. Step 3: Cross multiply
    36,007.40x = 54,003.90 × 17,287.40
  4. Step 4: Simplify right side
    36,007.40x = 933,587,020.86
  5. Step 5: Solve for x
    x = 933,587,020.86/36,007.40
  6. Step 6: Final answer
    x = 25,927.64

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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.