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Finding the Fourth Proportional to 46,770.87, 70,147.87 and 13,482.75

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Solution

The fourth proportional to 46,770.87, 70,147.87 and 13,482.75 is: 20,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,770.87 : 70,147.87 = 13,482.75 : x
  2. Step 2: Convert to fraction form
    46,770.87/70,147.87 = 13,482.75/x
  3. Step 3: Cross multiply
    46,770.87x = 70,147.87 × 13,482.75
  4. Step 4: Simplify right side
    46,770.87x = 945,786,499.43
  5. Step 5: Solve for x
    x = 945,786,499.43/46,770.87
  6. Step 6: Final answer
    x = 20,221.70

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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.