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Finding the Fourth Proportional to 5,272.06, 7,272.22 and 3,383

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Solution

The fourth proportional to 5,272.06, 7,272.22 and 3,383 is: 4,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.06 : 7,272.22 = 3,383 : x
  2. Step 2: Convert to fraction form
    5,272.06/7,272.22 = 3,383/x
  3. Step 3: Cross multiply
    5,272.06x = 7,272.22 × 3,383
  4. Step 4: Simplify right side
    5,272.06x = 24,601,920.26
  5. Step 5: Solve for x
    x = 24,601,920.26/5,272.06
  6. Step 6: Final answer
    x = 4,666.47

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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.