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Finding the Fourth Proportional to 59,586.80, 89,185.80 and 47,793.20

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Solution

The fourth proportional to 59,586.80, 89,185.80 and 47,793.20 is: 71,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,586.80 : 89,185.80 = 47,793.20 : x
  2. Step 2: Convert to fraction form
    59,586.80/89,185.80 = 47,793.20/x
  3. Step 3: Cross multiply
    59,586.80x = 89,185.80 × 47,793.20
  4. Step 4: Simplify right side
    59,586.80x = 4,262,474,776.56
  5. Step 5: Solve for x
    x = 4,262,474,776.56/59,586.80
  6. Step 6: Final answer
    x = 71,533.88

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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.