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Finding the Fourth Proportional to 6,636.84, 9,957.65 and 3,347.45

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Solution

The fourth proportional to 6,636.84, 9,957.65 and 3,347.45 is: 5,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.84 : 9,957.65 = 3,347.45 : x
  2. Step 2: Convert to fraction form
    6,636.84/9,957.65 = 3,347.45/x
  3. Step 3: Cross multiply
    6,636.84x = 9,957.65 × 3,347.45
  4. Step 4: Simplify right side
    6,636.84x = 33,332,735.49
  5. Step 5: Solve for x
    x = 33,332,735.49/6,636.84
  6. Step 6: Final answer
    x = 5,022.38

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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.