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Finding the Fourth Proportional to 32,490.64, 48,725.88 and 11,711.44

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Solution

The fourth proportional to 32,490.64, 48,725.88 and 11,711.44 is: 17,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.64 : 48,725.88 = 11,711.44 : x
  2. Step 2: Convert to fraction form
    32,490.64/48,725.88 = 11,711.44/x
  3. Step 3: Cross multiply
    32,490.64x = 48,725.88 × 11,711.44
  4. Step 4: Simplify right side
    32,490.64x = 570,650,220.07
  5. Step 5: Solve for x
    x = 570,650,220.07/32,490.64
  6. Step 6: Final answer
    x = 17,563.53

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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.