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Finding the Fourth Proportional to 32,548.90, 44,911.92 and 18,401.44

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Solution

The fourth proportional to 32,548.90, 44,911.92 and 18,401.44 is: 25,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,548.90 : 44,911.92 = 18,401.44 : x
  2. Step 2: Convert to fraction form
    32,548.90/44,911.92 = 18,401.44/x
  3. Step 3: Cross multiply
    32,548.90x = 44,911.92 × 18,401.44
  4. Step 4: Simplify right side
    32,548.90x = 826,444,001.16
  5. Step 5: Solve for x
    x = 826,444,001.16/32,548.90
  6. Step 6: Final answer
    x = 25,390.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.