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Finding the Fourth Proportional to 70,933.80, 106,407.54 and 23,538.90

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Solution

The fourth proportional to 70,933.80, 106,407.54 and 23,538.90 is: 35,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933.80 : 106,407.54 = 23,538.90 : x
  2. Step 2: Convert to fraction form
    70,933.80/106,407.54 = 23,538.90/x
  3. Step 3: Cross multiply
    70,933.80x = 106,407.54 × 23,538.90
  4. Step 4: Simplify right side
    70,933.80x = 2,504,716,443.31
  5. Step 5: Solve for x
    x = 2,504,716,443.31/70,933.80
  6. Step 6: Final answer
    x = 35,310.62

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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.