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Finding the Fourth Proportional to 29,672.01, 40,950.63 and 18,917.27

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Solution

The fourth proportional to 29,672.01, 40,950.63 and 18,917.27 is: 26,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,672.01 : 40,950.63 = 18,917.27 : x
  2. Step 2: Convert to fraction form
    29,672.01/40,950.63 = 18,917.27/x
  3. Step 3: Cross multiply
    29,672.01x = 40,950.63 × 18,917.27
  4. Step 4: Simplify right side
    29,672.01x = 774,674,124.38
  5. Step 5: Solve for x
    x = 774,674,124.38/29,672.01
  6. Step 6: Final answer
    x = 26,107.91

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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.