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Finding the Fourth Proportional to 27,005.76, 40,500.96 and 10,364.64

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Solution

The fourth proportional to 27,005.76, 40,500.96 and 10,364.64 is: 15,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,005.76 : 40,500.96 = 10,364.64 : x
  2. Step 2: Convert to fraction form
    27,005.76/40,500.96 = 10,364.64/x
  3. Step 3: Cross multiply
    27,005.76x = 40,500.96 × 10,364.64
  4. Step 4: Simplify right side
    27,005.76x = 419,777,870.05
  5. Step 5: Solve for x
    x = 419,777,870.05/27,005.76
  6. Step 6: Final answer
    x = 15,544.01

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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.