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Finding the Fourth Proportional to 28,843.53, 43,261.64 and 9,124.08

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Solution

The fourth proportional to 28,843.53, 43,261.64 and 9,124.08 is: 13,684.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.53 : 43,261.64 = 9,124.08 : x
  2. Step 2: Convert to fraction form
    28,843.53/43,261.64 = 9,124.08/x
  3. Step 3: Cross multiply
    28,843.53x = 43,261.64 × 9,124.08
  4. Step 4: Simplify right side
    28,843.53x = 394,722,664.29
  5. Step 5: Solve for x
    x = 394,722,664.29/28,843.53
  6. Step 6: Final answer
    x = 13,684.96

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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.