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Finding the Fourth Proportional to 11,585.79, 17,375.93 and 5,341.95

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Solution

The fourth proportional to 11,585.79, 17,375.93 and 5,341.95 is: 8,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.79 : 17,375.93 = 5,341.95 : x
  2. Step 2: Convert to fraction form
    11,585.79/17,375.93 = 5,341.95/x
  3. Step 3: Cross multiply
    11,585.79x = 17,375.93 × 5,341.95
  4. Step 4: Simplify right side
    11,585.79x = 92,821,322.55
  5. Step 5: Solve for x
    x = 92,821,322.55/11,585.79
  6. Step 6: Final answer
    x = 8,011.65

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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.