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Finding the Fourth Proportional to 5,657.31, 8,475.96 and 4,827.18

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Solution

The fourth proportional to 5,657.31, 8,475.96 and 4,827.18 is: 7,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.31 : 8,475.96 = 4,827.18 : x
  2. Step 2: Convert to fraction form
    5,657.31/8,475.96 = 4,827.18/x
  3. Step 3: Cross multiply
    5,657.31x = 8,475.96 × 4,827.18
  4. Step 4: Simplify right side
    5,657.31x = 40,914,984.59
  5. Step 5: Solve for x
    x = 40,914,984.59/5,657.31
  6. Step 6: Final answer
    x = 7,232.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.