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Finding the Fourth Proportional to 6,596.80, 9,884.40 and 4,847.20

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Solution

The fourth proportional to 6,596.80, 9,884.40 and 4,847.20 is: 7,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,596.80 : 9,884.40 = 4,847.20 : x
  2. Step 2: Convert to fraction form
    6,596.80/9,884.40 = 4,847.20/x
  3. Step 3: Cross multiply
    6,596.80x = 9,884.40 × 4,847.20
  4. Step 4: Simplify right side
    6,596.80x = 47,911,663.68
  5. Step 5: Solve for x
    x = 47,911,663.68/6,596.80
  6. Step 6: Final answer
    x = 7,262.86

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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.