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Finding the Fourth Proportional to 63,525.85, 87,654.07 and 36,658.55

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Solution

The fourth proportional to 63,525.85, 87,654.07 and 36,658.55 is: 50,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,525.85 : 87,654.07 = 36,658.55 : x
  2. Step 2: Convert to fraction form
    63,525.85/87,654.07 = 36,658.55/x
  3. Step 3: Cross multiply
    63,525.85x = 87,654.07 × 36,658.55
  4. Step 4: Simplify right side
    63,525.85x = 3,213,271,107.80
  5. Step 5: Solve for x
    x = 3,213,271,107.80/63,525.85
  6. Step 6: Final answer
    x = 50,582.10

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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.