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Finding the Fourth Proportional to 4,207.50, 6,314.13 and 1,471.50

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Solution

The fourth proportional to 4,207.50, 6,314.13 and 1,471.50 is: 2,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.50 : 6,314.13 = 1,471.50 : x
  2. Step 2: Convert to fraction form
    4,207.50/6,314.13 = 1,471.50/x
  3. Step 3: Cross multiply
    4,207.50x = 6,314.13 × 1,471.50
  4. Step 4: Simplify right side
    4,207.50x = 9,291,242.30
  5. Step 5: Solve for x
    x = 9,291,242.30/4,207.50
  6. Step 6: Final answer
    x = 2,208.26

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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.