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Finding the Fourth Proportional to 36,259.58, 54,379.46 and 9,958.08

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Solution

The fourth proportional to 36,259.58, 54,379.46 and 9,958.08 is: 14,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,259.58 : 54,379.46 = 9,958.08 : x
  2. Step 2: Convert to fraction form
    36,259.58/54,379.46 = 9,958.08/x
  3. Step 3: Cross multiply
    36,259.58x = 54,379.46 × 9,958.08
  4. Step 4: Simplify right side
    36,259.58x = 541,515,013.04
  5. Step 5: Solve for x
    x = 541,515,013.04/36,259.58
  6. Step 6: Final answer
    x = 14,934.40

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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.