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Finding the Fourth Proportional to 14,753.84, 20,359.53 and 8,039.03

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Solution

The fourth proportional to 14,753.84, 20,359.53 and 8,039.03 is: 11,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.84 : 20,359.53 = 8,039.03 : x
  2. Step 2: Convert to fraction form
    14,753.84/20,359.53 = 8,039.03/x
  3. Step 3: Cross multiply
    14,753.84x = 20,359.53 × 8,039.03
  4. Step 4: Simplify right side
    14,753.84x = 163,670,770.66
  5. Step 5: Solve for x
    x = 163,670,770.66/14,753.84
  6. Step 6: Final answer
    x = 11,093.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.