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Finding the Fourth Proportional to 8,975.00, 13,457.00 and 3,422.39

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Solution

The fourth proportional to 8,975.00, 13,457.00 and 3,422.39 is: 5,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.00 : 13,457.00 = 3,422.39 : x
  2. Step 2: Convert to fraction form
    8,975.00/13,457.00 = 3,422.39/x
  3. Step 3: Cross multiply
    8,975.00x = 13,457.00 × 3,422.39
  4. Step 4: Simplify right side
    8,975.00x = 46,055,043.50
  5. Step 5: Solve for x
    x = 46,055,043.50/8,975.00
  6. Step 6: Final answer
    x = 5,131.48

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1.5x scale

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.