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Finding the Fourth Proportional to 8,728.95, 13,093.97 and 4,341.99

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Solution

The fourth proportional to 8,728.95, 13,093.97 and 4,341.99 is: 6,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.95 : 13,093.97 = 4,341.99 : x
  2. Step 2: Convert to fraction form
    8,728.95/13,093.97 = 4,341.99/x
  3. Step 3: Cross multiply
    8,728.95x = 13,093.97 × 4,341.99
  4. Step 4: Simplify right side
    8,728.95x = 56,853,865.09
  5. Step 5: Solve for x
    x = 56,853,865.09/8,728.95
  6. Step 6: Final answer
    x = 6,513.25

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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.