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Finding the Fourth Proportional to 12,359.54, 17,055.49 and 7,324.22

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Solution

The fourth proportional to 12,359.54, 17,055.49 and 7,324.22 is: 10,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.54 : 17,055.49 = 7,324.22 : x
  2. Step 2: Convert to fraction form
    12,359.54/17,055.49 = 7,324.22/x
  3. Step 3: Cross multiply
    12,359.54x = 17,055.49 × 7,324.22
  4. Step 4: Simplify right side
    12,359.54x = 124,918,160.97
  5. Step 5: Solve for x
    x = 124,918,160.97/12,359.54
  6. Step 6: Final answer
    x = 10,107.02

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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.