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Finding the Fourth Proportional to 29,025.28, 40,135.28 and 23,046.40

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Solution

The fourth proportional to 29,025.28, 40,135.28 and 23,046.40 is: 31,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,025.28 : 40,135.28 = 23,046.40 : x
  2. Step 2: Convert to fraction form
    29,025.28/40,135.28 = 23,046.40/x
  3. Step 3: Cross multiply
    29,025.28x = 40,135.28 × 23,046.40
  4. Step 4: Simplify right side
    29,025.28x = 924,973,716.99
  5. Step 5: Solve for x
    x = 924,973,716.99/29,025.28
  6. Step 6: Final answer
    x = 31,867.87

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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.