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Finding the Fourth Proportional to 32,236.32, 48,348 and 8,859.72

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Solution

The fourth proportional to 32,236.32, 48,348 and 8,859.72 is: 13,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,236.32 : 48,348 = 8,859.72 : x
  2. Step 2: Convert to fraction form
    32,236.32/48,348 = 8,859.72/x
  3. Step 3: Cross multiply
    32,236.32x = 48,348 × 8,859.72
  4. Step 4: Simplify right side
    32,236.32x = 428,349,742.56
  5. Step 5: Solve for x
    x = 428,349,742.56/32,236.32
  6. Step 6: Final answer
    x = 13,287.80

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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.