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Finding the Fourth Proportional to 27,065.72, 40,541.88 and 17,199.92

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Solution

The fourth proportional to 27,065.72, 40,541.88 and 17,199.92 is: 25,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,065.72 : 40,541.88 = 17,199.92 : x
  2. Step 2: Convert to fraction form
    27,065.72/40,541.88 = 17,199.92/x
  3. Step 3: Cross multiply
    27,065.72x = 40,541.88 × 17,199.92
  4. Step 4: Simplify right side
    27,065.72x = 697,317,092.65
  5. Step 5: Solve for x
    x = 697,317,092.65/27,065.72
  6. Step 6: Final answer
    x = 25,763.85

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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.