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Finding the Fourth Proportional to 32,486.70, 48,730.80 and 15,844.44

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Solution

The fourth proportional to 32,486.70, 48,730.80 and 15,844.44 is: 23,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.70 : 48,730.80 = 15,844.44 : x
  2. Step 2: Convert to fraction form
    32,486.70/48,730.80 = 15,844.44/x
  3. Step 3: Cross multiply
    32,486.70x = 48,730.80 × 15,844.44
  4. Step 4: Simplify right side
    32,486.70x = 772,112,236.75
  5. Step 5: Solve for x
    x = 772,112,236.75/32,486.70
  6. Step 6: Final answer
    x = 23,767.03

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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.