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Finding the Fourth Proportional to 27,173.80, 40,760.70 and 7,454.08

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Solution

The fourth proportional to 27,173.80, 40,760.70 and 7,454.08 is: 11,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.80 : 40,760.70 = 7,454.08 : x
  2. Step 2: Convert to fraction form
    27,173.80/40,760.70 = 7,454.08/x
  3. Step 3: Cross multiply
    27,173.80x = 40,760.70 × 7,454.08
  4. Step 4: Simplify right side
    27,173.80x = 303,833,518.66
  5. Step 5: Solve for x
    x = 303,833,518.66/27,173.80
  6. Step 6: Final answer
    x = 11,181.12

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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.