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Finding the Fourth Proportional to 8,751.95, 13,110.43 and 5,971.72

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Solution

The fourth proportional to 8,751.95, 13,110.43 and 5,971.72 is: 8,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.95 : 13,110.43 = 5,971.72 : x
  2. Step 2: Convert to fraction form
    8,751.95/13,110.43 = 5,971.72/x
  3. Step 3: Cross multiply
    8,751.95x = 13,110.43 × 5,971.72
  4. Step 4: Simplify right side
    8,751.95x = 78,291,817.04
  5. Step 5: Solve for x
    x = 78,291,817.04/8,751.95
  6. Step 6: Final answer
    x = 8,945.65

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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.