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Finding the Fourth Proportional to 8,716.64, 13,074.95 and 3,526.16

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Solution

The fourth proportional to 8,716.64, 13,074.95 and 3,526.16 is: 5,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.64 : 13,074.95 = 3,526.16 : x
  2. Step 2: Convert to fraction form
    8,716.64/13,074.95 = 3,526.16/x
  3. Step 3: Cross multiply
    8,716.64x = 13,074.95 × 3,526.16
  4. Step 4: Simplify right side
    8,716.64x = 46,104,309.13
  5. Step 5: Solve for x
    x = 46,104,309.13/8,716.64
  6. Step 6: Final answer
    x = 5,289.23

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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.