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Finding the Fourth Proportional to 32,253.88, 48,381 and 11,479

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Solution

The fourth proportional to 32,253.88, 48,381 and 11,479 is: 17,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,253.88 : 48,381 = 11,479 : x
  2. Step 2: Convert to fraction form
    32,253.88/48,381 = 11,479/x
  3. Step 3: Cross multiply
    32,253.88x = 48,381 × 11,479
  4. Step 4: Simplify right side
    32,253.88x = 555,365,499
  5. Step 5: Solve for x
    x = 555,365,499/32,253.88
  6. Step 6: Final answer
    x = 17,218.56

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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.