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Finding the Fourth Proportional to 3,937.02, 5,905.54 and 3,696.45

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Solution

The fourth proportional to 3,937.02, 5,905.54 and 3,696.45 is: 5,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.02 : 5,905.54 = 3,696.45 : x
  2. Step 2: Convert to fraction form
    3,937.02/5,905.54 = 3,696.45/x
  3. Step 3: Cross multiply
    3,937.02x = 5,905.54 × 3,696.45
  4. Step 4: Simplify right side
    3,937.02x = 21,829,533.33
  5. Step 5: Solve for x
    x = 21,829,533.33/3,937.02
  6. Step 6: Final answer
    x = 5,544.68

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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.