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Finding the Fourth Proportional to 28,544.16, 42,827.04 and 11,015.04

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Solution

The fourth proportional to 28,544.16, 42,827.04 and 11,015.04 is: 16,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.16 : 42,827.04 = 11,015.04 : x
  2. Step 2: Convert to fraction form
    28,544.16/42,827.04 = 11,015.04/x
  3. Step 3: Cross multiply
    28,544.16x = 42,827.04 × 11,015.04
  4. Step 4: Simplify right side
    28,544.16x = 471,741,558.68
  5. Step 5: Solve for x
    x = 471,741,558.68/28,544.16
  6. Step 6: Final answer
    x = 16,526.73

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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.