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Finding the Fourth Proportional to 32,640, 48,959.88 and 9,266.44

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Solution

The fourth proportional to 32,640, 48,959.88 and 9,266.44 is: 13,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640 : 48,959.88 = 9,266.44 : x
  2. Step 2: Convert to fraction form
    32,640/48,959.88 = 9,266.44/x
  3. Step 3: Cross multiply
    32,640x = 48,959.88 × 9,266.44
  4. Step 4: Simplify right side
    32,640x = 453,683,790.43
  5. Step 5: Solve for x
    x = 453,683,790.43/32,640
  6. Step 6: Final answer
    x = 13,899.63

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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.