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Finding the Fourth Proportional to 63,164.49, 87,157.67 and 36,308.13

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Solution

The fourth proportional to 63,164.49, 87,157.67 and 36,308.13 is: 50,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,164.49 : 87,157.67 = 36,308.13 : x
  2. Step 2: Convert to fraction form
    63,164.49/87,157.67 = 36,308.13/x
  3. Step 3: Cross multiply
    63,164.49x = 87,157.67 × 36,308.13
  4. Step 4: Simplify right side
    63,164.49x = 3,164,531,831.32
  5. Step 5: Solve for x
    x = 3,164,531,831.32/63,164.49
  6. Step 6: Final answer
    x = 50,099.86

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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.