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Finding the Fourth Proportional to 32,556.10, 48,836.04 and 12,565.71

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Solution

The fourth proportional to 32,556.10, 48,836.04 and 12,565.71 is: 18,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,556.10 : 48,836.04 = 12,565.71 : x
  2. Step 2: Convert to fraction form
    32,556.10/48,836.04 = 12,565.71/x
  3. Step 3: Cross multiply
    32,556.10x = 48,836.04 × 12,565.71
  4. Step 4: Simplify right side
    32,556.10x = 613,659,516.19
  5. Step 5: Solve for x
    x = 613,659,516.19/32,556.10
  6. Step 6: Final answer
    x = 18,849.29

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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.