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Finding the Fourth Proportional to 4,934.31, 6,809.32 and 2,696.13

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Solution

The fourth proportional to 4,934.31, 6,809.32 and 2,696.13 is: 3,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.31 : 6,809.32 = 2,696.13 : x
  2. Step 2: Convert to fraction form
    4,934.31/6,809.32 = 2,696.13/x
  3. Step 3: Cross multiply
    4,934.31x = 6,809.32 × 2,696.13
  4. Step 4: Simplify right side
    4,934.31x = 18,358,811.93
  5. Step 5: Solve for x
    x = 18,358,811.93/4,934.31
  6. Step 6: Final answer
    x = 3,720.64

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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.