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Finding the Fourth Proportional to 32,576.61, 48,880.50 and 18,356.43

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Solution

The fourth proportional to 32,576.61, 48,880.50 and 18,356.43 is: 27,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,576.61 : 48,880.50 = 18,356.43 : x
  2. Step 2: Convert to fraction form
    32,576.61/48,880.50 = 18,356.43/x
  3. Step 3: Cross multiply
    32,576.61x = 48,880.50 × 18,356.43
  4. Step 4: Simplify right side
    32,576.61x = 897,271,476.62
  5. Step 5: Solve for x
    x = 897,271,476.62/32,576.61
  6. Step 6: Final answer
    x = 27,543.43

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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.