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Finding the Fourth Proportional to 11,052.59, 16,581.62 and 5,133.72

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Solution

The fourth proportional to 11,052.59, 16,581.62 and 5,133.72 is: 7,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.59 : 16,581.62 = 5,133.72 : x
  2. Step 2: Convert to fraction form
    11,052.59/16,581.62 = 5,133.72/x
  3. Step 3: Cross multiply
    11,052.59x = 16,581.62 × 5,133.72
  4. Step 4: Simplify right side
    11,052.59x = 85,125,407.06
  5. Step 5: Solve for x
    x = 85,125,407.06/11,052.59
  6. Step 6: Final answer
    x = 7,701.85

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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.