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Finding the Fourth Proportional to 6,561.02, 9,100.60 and 6,324.60

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Solution

The fourth proportional to 6,561.02, 9,100.60 and 6,324.60 is: 8,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.02 : 9,100.60 = 6,324.60 : x
  2. Step 2: Convert to fraction form
    6,561.02/9,100.60 = 6,324.60/x
  3. Step 3: Cross multiply
    6,561.02x = 9,100.60 × 6,324.60
  4. Step 4: Simplify right side
    6,561.02x = 57,557,654.76
  5. Step 5: Solve for x
    x = 57,557,654.76/6,561.02
  6. Step 6: Final answer
    x = 8,772.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.