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Finding the Fourth Proportional to 70,527.70, 105,791.92 and 23,780.98

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Solution

The fourth proportional to 70,527.70, 105,791.92 and 23,780.98 is: 35,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,527.70 : 105,791.92 = 23,780.98 : x
  2. Step 2: Convert to fraction form
    70,527.70/105,791.92 = 23,780.98/x
  3. Step 3: Cross multiply
    70,527.70x = 105,791.92 × 23,780.98
  4. Step 4: Simplify right side
    70,527.70x = 2,515,835,533.68
  5. Step 5: Solve for x
    x = 2,515,835,533.68/70,527.70
  6. Step 6: Final answer
    x = 35,671.59

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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.