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Finding the Fourth Proportional to 27,192.36, 40,783.66 and 7,468.36

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Solution

The fourth proportional to 27,192.36, 40,783.66 and 7,468.36 is: 11,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.36 : 40,783.66 = 7,468.36 : x
  2. Step 2: Convert to fraction form
    27,192.36/40,783.66 = 7,468.36/x
  3. Step 3: Cross multiply
    27,192.36x = 40,783.66 × 7,468.36
  4. Step 4: Simplify right side
    27,192.36x = 304,587,055.00
  5. Step 5: Solve for x
    x = 304,587,055.00/27,192.36
  6. Step 6: Final answer
    x = 11,201.20

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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.