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Finding the Fourth Proportional to 62,286.45, 87,004.20 and 62,286.45

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Solution

The fourth proportional to 62,286.45, 87,004.20 and 62,286.45 is: 87,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,286.45 : 87,004.20 = 62,286.45 : x
  2. Step 2: Convert to fraction form
    62,286.45/87,004.20 = 62,286.45/x
  3. Step 3: Cross multiply
    62,286.45x = 87,004.20 × 62,286.45
  4. Step 4: Simplify right side
    62,286.45x = 5,419,182,753.09
  5. Step 5: Solve for x
    x = 5,419,182,753.09/62,286.45
  6. Step 6: Final answer
    x = 87,004.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.