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Finding the Fourth Proportional to 55,182.75, 82,760.43 and 15,740.19

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Solution

The fourth proportional to 55,182.75, 82,760.43 and 15,740.19 is: 23,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182.75 : 82,760.43 = 15,740.19 : x
  2. Step 2: Convert to fraction form
    55,182.75/82,760.43 = 15,740.19/x
  3. Step 3: Cross multiply
    55,182.75x = 82,760.43 × 15,740.19
  4. Step 4: Simplify right side
    55,182.75x = 1,302,664,892.68
  5. Step 5: Solve for x
    x = 1,302,664,892.68/55,182.75
  6. Step 6: Final answer
    x = 23,606.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.