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Finding the Fourth Proportional to 63,383.72, 87,478.76 and 36,521.04

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Solution

The fourth proportional to 63,383.72, 87,478.76 and 36,521.04 is: 50,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,383.72 : 87,478.76 = 36,521.04 : x
  2. Step 2: Convert to fraction form
    63,383.72/87,478.76 = 36,521.04/x
  3. Step 3: Cross multiply
    63,383.72x = 87,478.76 × 36,521.04
  4. Step 4: Simplify right side
    63,383.72x = 3,194,815,293.11
  5. Step 5: Solve for x
    x = 3,194,815,293.11/63,383.72
  6. Step 6: Final answer
    x = 50,404.35

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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.