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Finding the Fourth Proportional to 58,060.20, 86,960.70 and 47,692.20

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Solution

The fourth proportional to 58,060.20, 86,960.70 and 47,692.20 is: 71,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,060.20 : 86,960.70 = 47,692.20 : x
  2. Step 2: Convert to fraction form
    58,060.20/86,960.70 = 47,692.20/x
  3. Step 3: Cross multiply
    58,060.20x = 86,960.70 × 47,692.20
  4. Step 4: Simplify right side
    58,060.20x = 4,147,347,096.54
  5. Step 5: Solve for x
    x = 4,147,347,096.54/58,060.20
  6. Step 6: Final answer
    x = 71,431.84

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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.