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Finding the Fourth Proportional to 32,466.20, 48,602.10 and 19,311.80

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Solution

The fourth proportional to 32,466.20, 48,602.10 and 19,311.80 is: 28,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,466.20 : 48,602.10 = 19,311.80 : x
  2. Step 2: Convert to fraction form
    32,466.20/48,602.10 = 19,311.80/x
  3. Step 3: Cross multiply
    32,466.20x = 48,602.10 × 19,311.80
  4. Step 4: Simplify right side
    32,466.20x = 938,594,034.78
  5. Step 5: Solve for x
    x = 938,594,034.78/32,466.20
  6. Step 6: Final answer
    x = 28,909.88

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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.