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Finding the Fourth Proportional to 5,291.66, 7,302.96 and 2,934.26

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Solution

The fourth proportional to 5,291.66, 7,302.96 and 2,934.26 is: 4,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.66 : 7,302.96 = 2,934.26 : x
  2. Step 2: Convert to fraction form
    5,291.66/7,302.96 = 2,934.26/x
  3. Step 3: Cross multiply
    5,291.66x = 7,302.96 × 2,934.26
  4. Step 4: Simplify right side
    5,291.66x = 21,428,783.41
  5. Step 5: Solve for x
    x = 21,428,783.41/5,291.66
  6. Step 6: Final answer
    x = 4,049.54

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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.