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Finding the Fourth Proportional to 32,511.88, 44,885.73 and 20,585.44

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Solution

The fourth proportional to 32,511.88, 44,885.73 and 20,585.44 is: 28,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,511.88 : 44,885.73 = 20,585.44 : x
  2. Step 2: Convert to fraction form
    32,511.88/44,885.73 = 20,585.44/x
  3. Step 3: Cross multiply
    32,511.88x = 44,885.73 × 20,585.44
  4. Step 4: Simplify right side
    32,511.88x = 923,992,501.77
  5. Step 5: Solve for x
    x = 923,992,501.77/32,511.88
  6. Step 6: Final answer
    x = 28,420.15

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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.