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Finding the Fourth Proportional to 32,573.58, 48,942.38 and 20,732.80

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Solution

The fourth proportional to 32,573.58, 48,942.38 and 20,732.80 is: 31,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,573.58 : 48,942.38 = 20,732.80 : x
  2. Step 2: Convert to fraction form
    32,573.58/48,942.38 = 20,732.80/x
  3. Step 3: Cross multiply
    32,573.58x = 48,942.38 × 20,732.80
  4. Step 4: Simplify right side
    32,573.58x = 1,014,712,576.06
  5. Step 5: Solve for x
    x = 1,014,712,576.06/32,573.58
  6. Step 6: Final answer
    x = 31,151.40

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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.