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Finding the Fourth Proportional to 36,322.68, 54,477.81 and 9,669.03

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Solution

The fourth proportional to 36,322.68, 54,477.81 and 9,669.03 is: 14,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.68 : 54,477.81 = 9,669.03 : x
  2. Step 2: Convert to fraction form
    36,322.68/54,477.81 = 9,669.03/x
  3. Step 3: Cross multiply
    36,322.68x = 54,477.81 × 9,669.03
  4. Step 4: Simplify right side
    36,322.68x = 526,747,579.22
  5. Step 5: Solve for x
    x = 526,747,579.22/36,322.68
  6. Step 6: Final answer
    x = 14,501.89

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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.