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Finding the Fourth Proportional to 19,593.60, 27,041.76 and 11,208.48

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Solution

The fourth proportional to 19,593.60, 27,041.76 and 11,208.48 is: 15,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.60 : 27,041.76 = 11,208.48 : x
  2. Step 2: Convert to fraction form
    19,593.60/27,041.76 = 11,208.48/x
  3. Step 3: Cross multiply
    19,593.60x = 27,041.76 × 11,208.48
  4. Step 4: Simplify right side
    19,593.60x = 303,097,026.12
  5. Step 5: Solve for x
    x = 303,097,026.12/19,593.60
  6. Step 6: Final answer
    x = 15,469.19

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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.