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Finding the Fourth Proportional to 32,483.43, 48,685.91 and 15,818.49

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Solution

The fourth proportional to 32,483.43, 48,685.91 and 15,818.49 is: 23,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,483.43 : 48,685.91 = 15,818.49 : x
  2. Step 2: Convert to fraction form
    32,483.43/48,685.91 = 15,818.49/x
  3. Step 3: Cross multiply
    32,483.43x = 48,685.91 × 15,818.49
  4. Step 4: Simplify right side
    32,483.43x = 770,137,501.38
  5. Step 5: Solve for x
    x = 770,137,501.38/32,483.43
  6. Step 6: Final answer
    x = 23,708.63

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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.