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Finding the Fourth Proportional to 29,505.66, 40,719.83 and 18,025.49

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Solution

The fourth proportional to 29,505.66, 40,719.83 and 18,025.49 is: 24,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,505.66 : 40,719.83 = 18,025.49 : x
  2. Step 2: Convert to fraction form
    29,505.66/40,719.83 = 18,025.49/x
  3. Step 3: Cross multiply
    29,505.66x = 40,719.83 × 18,025.49
  4. Step 4: Simplify right side
    29,505.66x = 733,994,594.74
  5. Step 5: Solve for x
    x = 733,994,594.74/29,505.66
  6. Step 6: Final answer
    x = 24,876.40

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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.