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Finding the Fourth Proportional to 32,596.88, 44,986.41 and 20,655.86

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Solution

The fourth proportional to 32,596.88, 44,986.41 and 20,655.86 is: 28,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,596.88 : 44,986.41 = 20,655.86 : x
  2. Step 2: Convert to fraction form
    32,596.88/44,986.41 = 20,655.86/x
  3. Step 3: Cross multiply
    32,596.88x = 44,986.41 × 20,655.86
  4. Step 4: Simplify right side
    32,596.88x = 929,232,761.93
  5. Step 5: Solve for x
    x = 929,232,761.93/32,596.88
  6. Step 6: Final answer
    x = 28,506.81

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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.