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Finding the Fourth Proportional to 35,652.52, 53,440.88 and 13,456.48

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Solution

The fourth proportional to 35,652.52, 53,440.88 and 13,456.48 is: 20,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,652.52 : 53,440.88 = 13,456.48 : x
  2. Step 2: Convert to fraction form
    35,652.52/53,440.88 = 13,456.48/x
  3. Step 3: Cross multiply
    35,652.52x = 53,440.88 × 13,456.48
  4. Step 4: Simplify right side
    35,652.52x = 719,126,132.90
  5. Step 5: Solve for x
    x = 719,126,132.90/35,652.52
  6. Step 6: Final answer
    x = 20,170.42

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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.