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Finding the Fourth Proportional to 13,117.06, 19,671 and 4,349.62

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Solution

The fourth proportional to 13,117.06, 19,671 and 4,349.62 is: 6,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.06 : 19,671 = 4,349.62 : x
  2. Step 2: Convert to fraction form
    13,117.06/19,671 = 4,349.62/x
  3. Step 3: Cross multiply
    13,117.06x = 19,671 × 4,349.62
  4. Step 4: Simplify right side
    13,117.06x = 85,561,375.02
  5. Step 5: Solve for x
    x = 85,561,375.02/13,117.06
  6. Step 6: Final answer
    x = 6,522.91

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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.