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Finding the Fourth Proportional to 27,045.54, 40,568.40 and 7,324.20

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Solution

The fourth proportional to 27,045.54, 40,568.40 and 7,324.20 is: 10,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.54 : 40,568.40 = 7,324.20 : x
  2. Step 2: Convert to fraction form
    27,045.54/40,568.40 = 7,324.20/x
  3. Step 3: Cross multiply
    27,045.54x = 40,568.40 × 7,324.20
  4. Step 4: Simplify right side
    27,045.54x = 297,131,075.28
  5. Step 5: Solve for x
    x = 297,131,075.28/27,045.54
  6. Step 6: Final answer
    x = 10,986.32

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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.