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Finding the Fourth Proportional to 13,563.57, 18,716.51 and 7,593.97

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Solution

The fourth proportional to 13,563.57, 18,716.51 and 7,593.97 is: 10,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.57 : 18,716.51 = 7,593.97 : x
  2. Step 2: Convert to fraction form
    13,563.57/18,716.51 = 7,593.97/x
  3. Step 3: Cross multiply
    13,563.57x = 18,716.51 × 7,593.97
  4. Step 4: Simplify right side
    13,563.57x = 142,132,587.64
  5. Step 5: Solve for x
    x = 142,132,587.64/13,563.57
  6. Step 6: Final answer
    x = 10,479.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.