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Finding the Fourth Proportional to 36,503.70, 54,762.31 and 11,550.03

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Solution

The fourth proportional to 36,503.70, 54,762.31 and 11,550.03 is: 17,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,503.70 : 54,762.31 = 11,550.03 : x
  2. Step 2: Convert to fraction form
    36,503.70/54,762.31 = 11,550.03/x
  3. Step 3: Cross multiply
    36,503.70x = 54,762.31 × 11,550.03
  4. Step 4: Simplify right side
    36,503.70x = 632,506,323.37
  5. Step 5: Solve for x
    x = 632,506,323.37/36,503.70
  6. Step 6: Final answer
    x = 17,327.18

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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.