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Finding the Fourth Proportional to 11,073.28, 16,613.88 and 4,503.28

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Solution

The fourth proportional to 11,073.28, 16,613.88 and 4,503.28 is: 6,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073.28 : 16,613.88 = 4,503.28 : x
  2. Step 2: Convert to fraction form
    11,073.28/16,613.88 = 4,503.28/x
  3. Step 3: Cross multiply
    11,073.28x = 16,613.88 × 4,503.28
  4. Step 4: Simplify right side
    11,073.28x = 74,816,953.53
  5. Step 5: Solve for x
    x = 74,816,953.53/11,073.28
  6. Step 6: Final answer
    x = 6,756.53

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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.