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Finding the Fourth Proportional to 5,672.17, 7,827.06 and 5,254.21

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Solution

The fourth proportional to 5,672.17, 7,827.06 and 5,254.21 is: 7,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.17 : 7,827.06 = 5,254.21 : x
  2. Step 2: Convert to fraction form
    5,672.17/7,827.06 = 5,254.21/x
  3. Step 3: Cross multiply
    5,672.17x = 7,827.06 × 5,254.21
  4. Step 4: Simplify right side
    5,672.17x = 41,125,016.92
  5. Step 5: Solve for x
    x = 41,125,016.92/5,672.17
  6. Step 6: Final answer
    x = 7,250.31

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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.