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Finding the Fourth Proportional to 32,405.78, 48,597.53 and 15,755.09

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Solution

The fourth proportional to 32,405.78, 48,597.53 and 15,755.09 is: 23,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,405.78 : 48,597.53 = 15,755.09 : x
  2. Step 2: Convert to fraction form
    32,405.78/48,597.53 = 15,755.09/x
  3. Step 3: Cross multiply
    32,405.78x = 48,597.53 × 15,755.09
  4. Step 4: Simplify right side
    32,405.78x = 765,658,137.16
  5. Step 5: Solve for x
    x = 765,658,137.16/32,405.78
  6. Step 6: Final answer
    x = 23,627.21

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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.