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Finding the Fourth Proportional to 27,282.42, 40,943.07 and 12,482.10

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Solution

The fourth proportional to 27,282.42, 40,943.07 and 12,482.10 is: 18,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.42 : 40,943.07 = 12,482.10 : x
  2. Step 2: Convert to fraction form
    27,282.42/40,943.07 = 12,482.10/x
  3. Step 3: Cross multiply
    27,282.42x = 40,943.07 × 12,482.10
  4. Step 4: Simplify right side
    27,282.42x = 511,055,494.05
  5. Step 5: Solve for x
    x = 511,055,494.05/27,282.42
  6. Step 6: Final answer
    x = 18,732.04

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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.