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Finding the Fourth Proportional to 6,447.35, 9,593.82 and 6,425.48

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Solution

The fourth proportional to 6,447.35, 9,593.82 and 6,425.48 is: 9,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.35 : 9,593.82 = 6,425.48 : x
  2. Step 2: Convert to fraction form
    6,447.35/9,593.82 = 6,425.48/x
  3. Step 3: Cross multiply
    6,447.35x = 9,593.82 × 6,425.48
  4. Step 4: Simplify right side
    6,447.35x = 61,644,898.53
  5. Step 5: Solve for x
    x = 61,644,898.53/6,447.35
  6. Step 6: Final answer
    x = 9,561.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.