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Finding the Fourth Proportional to 63,500.80, 87,636.84 and 36,647.68

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Solution

The fourth proportional to 63,500.80, 87,636.84 and 36,647.68 is: 50,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,500.80 : 87,636.84 = 36,647.68 : x
  2. Step 2: Convert to fraction form
    63,500.80/87,636.84 = 36,647.68/x
  3. Step 3: Cross multiply
    63,500.80x = 87,636.84 × 36,647.68
  4. Step 4: Simplify right side
    63,500.80x = 3,211,686,868.53
  5. Step 5: Solve for x
    x = 3,211,686,868.53/63,500.80
  6. Step 6: Final answer
    x = 50,577.11

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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.