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Finding the Fourth Proportional to 4,873.74, 7,311.48 and 1,586.88

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Solution

The fourth proportional to 4,873.74, 7,311.48 and 1,586.88 is: 2,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.74 : 7,311.48 = 1,586.88 : x
  2. Step 2: Convert to fraction form
    4,873.74/7,311.48 = 1,586.88/x
  3. Step 3: Cross multiply
    4,873.74x = 7,311.48 × 1,586.88
  4. Step 4: Simplify right side
    4,873.74x = 11,602,441.38
  5. Step 5: Solve for x
    x = 11,602,441.38/4,873.74
  6. Step 6: Final answer
    x = 2,380.60

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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.