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Finding the Fourth Proportional to 5,657.48, 8,483.48 and 3,318.25

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Solution

The fourth proportional to 5,657.48, 8,483.48 and 3,318.25 is: 4,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.48 : 8,483.48 = 3,318.25 : x
  2. Step 2: Convert to fraction form
    5,657.48/8,483.48 = 3,318.25/x
  3. Step 3: Cross multiply
    5,657.48x = 8,483.48 × 3,318.25
  4. Step 4: Simplify right side
    5,657.48x = 28,150,269.71
  5. Step 5: Solve for x
    x = 28,150,269.71/5,657.48
  6. Step 6: Final answer
    x = 4,975.76

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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.