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Finding the Fourth Proportional to 36,379.76, 54,569.44 and 9,362.08

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Solution

The fourth proportional to 36,379.76, 54,569.44 and 9,362.08 is: 14,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379.76 : 54,569.44 = 9,362.08 : x
  2. Step 2: Convert to fraction form
    36,379.76/54,569.44 = 9,362.08/x
  3. Step 3: Cross multiply
    36,379.76x = 54,569.44 × 9,362.08
  4. Step 4: Simplify right side
    36,379.76x = 510,883,462.84
  5. Step 5: Solve for x
    x = 510,883,462.84/36,379.76
  6. Step 6: Final answer
    x = 14,043.07

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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.