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Finding the Fourth Proportional to 29,550.29, 40,787.15 and 16,810.92

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Solution

The fourth proportional to 29,550.29, 40,787.15 and 16,810.92 is: 23,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,550.29 : 40,787.15 = 16,810.92 : x
  2. Step 2: Convert to fraction form
    29,550.29/40,787.15 = 16,810.92/x
  3. Step 3: Cross multiply
    29,550.29x = 40,787.15 × 16,810.92
  4. Step 4: Simplify right side
    29,550.29x = 685,669,431.62
  5. Step 5: Solve for x
    x = 685,669,431.62/29,550.29
  6. Step 6: Final answer
    x = 23,203.48

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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.