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Finding the Fourth Proportional to 63,265.84, 87,304.20 and 36,409.28

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Solution

The fourth proportional to 63,265.84, 87,304.20 and 36,409.28 is: 50,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,265.84 : 87,304.20 = 36,409.28 : x
  2. Step 2: Convert to fraction form
    63,265.84/87,304.20 = 36,409.28/x
  3. Step 3: Cross multiply
    63,265.84x = 87,304.20 × 36,409.28
  4. Step 4: Simplify right side
    63,265.84x = 3,178,682,489.92
  5. Step 5: Solve for x
    x = 3,178,682,489.92/63,265.84
  6. Step 6: Final answer
    x = 50,243.27

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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.