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Finding the Fourth Proportional to 6,524.52, 9,764.70 and 5,485.80

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Solution

The fourth proportional to 6,524.52, 9,764.70 and 5,485.80 is: 8,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,524.52 : 9,764.70 = 5,485.80 : x
  2. Step 2: Convert to fraction form
    6,524.52/9,764.70 = 5,485.80/x
  3. Step 3: Cross multiply
    6,524.52x = 9,764.70 × 5,485.80
  4. Step 4: Simplify right side
    6,524.52x = 53,567,191.26
  5. Step 5: Solve for x
    x = 53,567,191.26/6,524.52
  6. Step 6: Final answer
    x = 8,210.14

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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.