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Finding the Fourth Proportional to 63,479.72, 87,598.95 and 36,630.90

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Solution

The fourth proportional to 63,479.72, 87,598.95 and 36,630.90 is: 50,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,479.72 : 87,598.95 = 36,630.90 : x
  2. Step 2: Convert to fraction form
    63,479.72/87,598.95 = 36,630.90/x
  3. Step 3: Cross multiply
    63,479.72x = 87,598.95 × 36,630.90
  4. Step 4: Simplify right side
    63,479.72x = 3,208,828,377.56
  5. Step 5: Solve for x
    x = 3,208,828,377.56/63,479.72
  6. Step 6: Final answer
    x = 50,548.87

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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.