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Finding the Fourth Proportional to 63,489.84, 87,614.64 and 36,630.24

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Solution

The fourth proportional to 63,489.84, 87,614.64 and 36,630.24 is: 50,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,489.84 : 87,614.64 = 36,630.24 : x
  2. Step 2: Convert to fraction form
    63,489.84/87,614.64 = 36,630.24/x
  3. Step 3: Cross multiply
    63,489.84x = 87,614.64 × 36,630.24
  4. Step 4: Simplify right side
    63,489.84x = 3,209,345,290.71
  5. Step 5: Solve for x
    x = 3,209,345,290.71/63,489.84
  6. Step 6: Final answer
    x = 50,548.96

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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.