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Finding the Fourth Proportional to 17,242.94, 23,787.10 and 14,751.80

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Solution

The fourth proportional to 17,242.94, 23,787.10 and 14,751.80 is: 20,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,242.94 : 23,787.10 = 14,751.80 : x
  2. Step 2: Convert to fraction form
    17,242.94/23,787.10 = 14,751.80/x
  3. Step 3: Cross multiply
    17,242.94x = 23,787.10 × 14,751.80
  4. Step 4: Simplify right side
    17,242.94x = 350,902,541.78
  5. Step 5: Solve for x
    x = 350,902,541.78/17,242.94
  6. Step 6: Final answer
    x = 20,350.51

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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.