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Finding the Fourth Proportional to 5,016.60, 7,527.60 and 4,289.49

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Solution

The fourth proportional to 5,016.60, 7,527.60 and 4,289.49 is: 6,436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.60 : 7,527.60 = 4,289.49 : x
  2. Step 2: Convert to fraction form
    5,016.60/7,527.60 = 4,289.49/x
  3. Step 3: Cross multiply
    5,016.60x = 7,527.60 × 4,289.49
  4. Step 4: Simplify right side
    5,016.60x = 32,289,564.92
  5. Step 5: Solve for x
    x = 32,289,564.92/5,016.60
  6. Step 6: Final answer
    x = 6,436.54

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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.