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Finding the Fourth Proportional to 19,502.90, 26,903.25 and 12,049.46

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Solution

The fourth proportional to 19,502.90, 26,903.25 and 12,049.46 is: 16,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.90 : 26,903.25 = 12,049.46 : x
  2. Step 2: Convert to fraction form
    19,502.90/26,903.25 = 12,049.46/x
  3. Step 3: Cross multiply
    19,502.90x = 26,903.25 × 12,049.46
  4. Step 4: Simplify right side
    19,502.90x = 324,169,634.75
  5. Step 5: Solve for x
    x = 324,169,634.75/19,502.90
  6. Step 6: Final answer
    x = 16,621.61

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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.