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Finding the Fourth Proportional to 63,706.80, 87,902.58 and 36,839.52

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Solution

The fourth proportional to 63,706.80, 87,902.58 and 36,839.52 is: 50,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,706.80 : 87,902.58 = 36,839.52 : x
  2. Step 2: Convert to fraction form
    63,706.80/87,902.58 = 36,839.52/x
  3. Step 3: Cross multiply
    63,706.80x = 87,902.58 × 36,839.52
  4. Step 4: Simplify right side
    63,706.80x = 3,238,288,853.96
  5. Step 5: Solve for x
    x = 3,238,288,853.96/63,706.80
  6. Step 6: Final answer
    x = 50,831.13

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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.