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Finding the Fourth Proportional to 4,955.76, 6,836.94 and 3,381.12

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Solution

The fourth proportional to 4,955.76, 6,836.94 and 3,381.12 is: 4,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.76 : 6,836.94 = 3,381.12 : x
  2. Step 2: Convert to fraction form
    4,955.76/6,836.94 = 3,381.12/x
  3. Step 3: Cross multiply
    4,955.76x = 6,836.94 × 3,381.12
  4. Step 4: Simplify right side
    4,955.76x = 23,116,514.57
  5. Step 5: Solve for x
    x = 23,116,514.57/4,955.76
  6. Step 6: Final answer
    x = 4,664.58

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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.