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Finding the Fourth Proportional to 53,200.36, 79,776.04 and 15,747.04

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Solution

The fourth proportional to 53,200.36, 79,776.04 and 15,747.04 is: 23,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,200.36 : 79,776.04 = 15,747.04 : x
  2. Step 2: Convert to fraction form
    53,200.36/79,776.04 = 15,747.04/x
  3. Step 3: Cross multiply
    53,200.36x = 79,776.04 × 15,747.04
  4. Step 4: Simplify right side
    53,200.36x = 1,256,236,492.92
  5. Step 5: Solve for x
    x = 1,256,236,492.92/53,200.36
  6. Step 6: Final answer
    x = 23,613.31

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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.