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Finding the Fourth Proportional to 32,647.80, 48,925.51 and 13,908.97

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Solution

The fourth proportional to 32,647.80, 48,925.51 and 13,908.97 is: 20,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,647.80 : 48,925.51 = 13,908.97 : x
  2. Step 2: Convert to fraction form
    32,647.80/48,925.51 = 13,908.97/x
  3. Step 3: Cross multiply
    32,647.80x = 48,925.51 × 13,908.97
  4. Step 4: Simplify right side
    32,647.80x = 680,503,555.45
  5. Step 5: Solve for x
    x = 680,503,555.45/32,647.80
  6. Step 6: Final answer
    x = 20,843.78

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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.