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Finding the Fourth Proportional to 8,717.58, 13,068 and 5,588.82

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Solution

The fourth proportional to 8,717.58, 13,068 and 5,588.82 is: 8,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.58 : 13,068 = 5,588.82 : x
  2. Step 2: Convert to fraction form
    8,717.58/13,068 = 5,588.82/x
  3. Step 3: Cross multiply
    8,717.58x = 13,068 × 5,588.82
  4. Step 4: Simplify right side
    8,717.58x = 73,034,699.76
  5. Step 5: Solve for x
    x = 73,034,699.76/8,717.58
  6. Step 6: Final answer
    x = 8,377.86

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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.