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Finding the Fourth Proportional to 29,367.44, 40,471.20 and 28,827.68

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Solution

The fourth proportional to 29,367.44, 40,471.20 and 28,827.68 is: 39,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,367.44 : 40,471.20 = 28,827.68 : x
  2. Step 2: Convert to fraction form
    29,367.44/40,471.20 = 28,827.68/x
  3. Step 3: Cross multiply
    29,367.44x = 40,471.20 × 28,827.68
  4. Step 4: Simplify right side
    29,367.44x = 1,166,690,802.82
  5. Step 5: Solve for x
    x = 1,166,690,802.82/29,367.44
  6. Step 6: Final answer
    x = 39,727.36

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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.