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Finding the Fourth Proportional to 7,590.43, 11,392.76 and 4,674.43

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Solution

The fourth proportional to 7,590.43, 11,392.76 and 4,674.43 is: 7,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.43 : 11,392.76 = 4,674.43 : x
  2. Step 2: Convert to fraction form
    7,590.43/11,392.76 = 4,674.43/x
  3. Step 3: Cross multiply
    7,590.43x = 11,392.76 × 4,674.43
  4. Step 4: Simplify right side
    7,590.43x = 53,254,659.13
  5. Step 5: Solve for x
    x = 53,254,659.13/7,590.43
  6. Step 6: Final answer
    x = 7,016.03

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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.