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Finding the Fourth Proportional to 36,492.48, 54,741.03 and 15,429.75

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Solution

The fourth proportional to 36,492.48, 54,741.03 and 15,429.75 is: 23,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.48 : 54,741.03 = 15,429.75 : x
  2. Step 2: Convert to fraction form
    36,492.48/54,741.03 = 15,429.75/x
  3. Step 3: Cross multiply
    36,492.48x = 54,741.03 × 15,429.75
  4. Step 4: Simplify right side
    36,492.48x = 844,640,407.64
  5. Step 5: Solve for x
    x = 844,640,407.64/36,492.48
  6. Step 6: Final answer
    x = 23,145.60

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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.