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Finding the Fourth Proportional to 18,313.20, 27,468.20 and 6,001.20

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Solution

The fourth proportional to 18,313.20, 27,468.20 and 6,001.20 is: 9,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.20 : 27,468.20 = 6,001.20 : x
  2. Step 2: Convert to fraction form
    18,313.20/27,468.20 = 6,001.20/x
  3. Step 3: Cross multiply
    18,313.20x = 27,468.20 × 6,001.20
  4. Step 4: Simplify right side
    18,313.20x = 164,842,161.84
  5. Step 5: Solve for x
    x = 164,842,161.84/18,313.20
  6. Step 6: Final answer
    x = 9,001.28

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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.