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Finding the Fourth Proportional to 5,549.17, 7,615.22 and 5,236.15

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Solution

The fourth proportional to 5,549.17, 7,615.22 and 5,236.15 is: 7,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.17 : 7,615.22 = 5,236.15 : x
  2. Step 2: Convert to fraction form
    5,549.17/7,615.22 = 5,236.15/x
  3. Step 3: Cross multiply
    5,549.17x = 7,615.22 × 5,236.15
  4. Step 4: Simplify right side
    5,549.17x = 39,874,428.26
  5. Step 5: Solve for x
    x = 39,874,428.26/5,549.17
  6. Step 6: Final answer
    x = 7,185.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.