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Finding the Fourth Proportional to 8,450.53, 11,657.05 and 4,913.35

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Solution

The fourth proportional to 8,450.53, 11,657.05 and 4,913.35 is: 6,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.53 : 11,657.05 = 4,913.35 : x
  2. Step 2: Convert to fraction form
    8,450.53/11,657.05 = 4,913.35/x
  3. Step 3: Cross multiply
    8,450.53x = 11,657.05 × 4,913.35
  4. Step 4: Simplify right side
    8,450.53x = 57,275,166.62
  5. Step 5: Solve for x
    x = 57,275,166.62/8,450.53
  6. Step 6: Final answer
    x = 6,777.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.