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Finding the Fourth Proportional to 14,047.43, 19,377.43 and 9,268.22

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Solution

The fourth proportional to 14,047.43, 19,377.43 and 9,268.22 is: 12,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.43 : 19,377.43 = 9,268.22 : x
  2. Step 2: Convert to fraction form
    14,047.43/19,377.43 = 9,268.22/x
  3. Step 3: Cross multiply
    14,047.43x = 19,377.43 × 9,268.22
  4. Step 4: Simplify right side
    14,047.43x = 179,594,309.55
  5. Step 5: Solve for x
    x = 179,594,309.55/14,047.43
  6. Step 6: Final answer
    x = 12,784.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.