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Finding the Fourth Proportional to 32,644.66, 48,959.70 and 12,927.64

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Solution

The fourth proportional to 32,644.66, 48,959.70 and 12,927.64 is: 19,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,644.66 : 48,959.70 = 12,927.64 : x
  2. Step 2: Convert to fraction form
    32,644.66/48,959.70 = 12,927.64/x
  3. Step 3: Cross multiply
    32,644.66x = 48,959.70 × 12,927.64
  4. Step 4: Simplify right side
    32,644.66x = 632,933,376.11
  5. Step 5: Solve for x
    x = 632,933,376.11/32,644.66
  6. Step 6: Final answer
    x = 19,388.57

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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.