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Finding the Fourth Proportional to 32,289.44, 48,436.97 and 8,915.90

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Solution

The fourth proportional to 32,289.44, 48,436.97 and 8,915.90 is: 13,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,289.44 : 48,436.97 = 8,915.90 : x
  2. Step 2: Convert to fraction form
    32,289.44/48,436.97 = 8,915.90/x
  3. Step 3: Cross multiply
    32,289.44x = 48,436.97 × 8,915.90
  4. Step 4: Simplify right side
    32,289.44x = 431,858,894.06
  5. Step 5: Solve for x
    x = 431,858,894.06/32,289.44
  6. Step 6: Final answer
    x = 13,374.62

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1.5x scale

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.