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Finding the Fourth Proportional to 32,360.54, 48,531.90 and 20,496.51

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Solution

The fourth proportional to 32,360.54, 48,531.90 and 20,496.51 is: 30,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,360.54 : 48,531.90 = 20,496.51 : x
  2. Step 2: Convert to fraction form
    32,360.54/48,531.90 = 20,496.51/x
  3. Step 3: Cross multiply
    32,360.54x = 48,531.90 × 20,496.51
  4. Step 4: Simplify right side
    32,360.54x = 994,734,573.67
  5. Step 5: Solve for x
    x = 994,734,573.67/32,360.54
  6. Step 6: Final answer
    x = 30,739.13

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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.