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Finding the Fourth Proportional to 6,644.30, 9,308.50 and 6,644.30

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Solution

The fourth proportional to 6,644.30, 9,308.50 and 6,644.30 is: 9,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.30 : 9,308.50 = 6,644.30 : x
  2. Step 2: Convert to fraction form
    6,644.30/9,308.50 = 6,644.30/x
  3. Step 3: Cross multiply
    6,644.30x = 9,308.50 × 6,644.30
  4. Step 4: Simplify right side
    6,644.30x = 61,848,466.55
  5. Step 5: Solve for x
    x = 61,848,466.55/6,644.30
  6. Step 6: Final answer
    x = 9,308.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.