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Finding the Fourth Proportional to 6,448.37, 8,898.43 and 3,795.61

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Solution

The fourth proportional to 6,448.37, 8,898.43 and 3,795.61 is: 5,237.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.37 : 8,898.43 = 3,795.61 : x
  2. Step 2: Convert to fraction form
    6,448.37/8,898.43 = 3,795.61/x
  3. Step 3: Cross multiply
    6,448.37x = 8,898.43 × 3,795.61
  4. Step 4: Simplify right side
    6,448.37x = 33,774,972.63
  5. Step 5: Solve for x
    x = 33,774,972.63/6,448.37
  6. Step 6: Final answer
    x = 5,237.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.