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Finding the Fourth Proportional to 32,611.84, 48,939.68 and 11,551.80

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Solution

The fourth proportional to 32,611.84, 48,939.68 and 11,551.80 is: 17,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,611.84 : 48,939.68 = 11,551.80 : x
  2. Step 2: Convert to fraction form
    32,611.84/48,939.68 = 11,551.80/x
  3. Step 3: Cross multiply
    32,611.84x = 48,939.68 × 11,551.80
  4. Step 4: Simplify right side
    32,611.84x = 565,341,395.42
  5. Step 5: Solve for x
    x = 565,341,395.42/32,611.84
  6. Step 6: Final answer
    x = 17,335.46

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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.