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Finding the Fourth Proportional to 57,646.80, 86,297.40 and 50,734.80

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Solution

The fourth proportional to 57,646.80, 86,297.40 and 50,734.80 is: 75,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,646.80 : 86,297.40 = 50,734.80 : x
  2. Step 2: Convert to fraction form
    57,646.80/86,297.40 = 50,734.80/x
  3. Step 3: Cross multiply
    57,646.80x = 86,297.40 × 50,734.80
  4. Step 4: Simplify right side
    57,646.80x = 4,378,281,329.52
  5. Step 5: Solve for x
    x = 4,378,281,329.52/57,646.80
  6. Step 6: Final answer
    x = 75,950.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.