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Finding the Fourth Proportional to 32,449.80, 48,647.70 and 13,744.20

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Solution

The fourth proportional to 32,449.80, 48,647.70 and 13,744.20 is: 20,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,449.80 : 48,647.70 = 13,744.20 : x
  2. Step 2: Convert to fraction form
    32,449.80/48,647.70 = 13,744.20/x
  3. Step 3: Cross multiply
    32,449.80x = 48,647.70 × 13,744.20
  4. Step 4: Simplify right side
    32,449.80x = 668,623,718.34
  5. Step 5: Solve for x
    x = 668,623,718.34/32,449.80
  6. Step 6: Final answer
    x = 20,604.86

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1.5x scale

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.