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Finding the Fourth Proportional to 9,160.59, 13,741.88 and 2,919.14

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Solution

The fourth proportional to 9,160.59, 13,741.88 and 2,919.14 is: 4,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.59 : 13,741.88 = 2,919.14 : x
  2. Step 2: Convert to fraction form
    9,160.59/13,741.88 = 2,919.14/x
  3. Step 3: Cross multiply
    9,160.59x = 13,741.88 × 2,919.14
  4. Step 4: Simplify right side
    9,160.59x = 40,114,388.28
  5. Step 5: Solve for x
    x = 40,114,388.28/9,160.59
  6. Step 6: Final answer
    x = 4,379.02

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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.