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Finding the Fourth Proportional to 4,507.67, 6,220.16 and 2,619.21

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Solution

The fourth proportional to 4,507.67, 6,220.16 and 2,619.21 is: 3,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.67 : 6,220.16 = 2,619.21 : x
  2. Step 2: Convert to fraction form
    4,507.67/6,220.16 = 2,619.21/x
  3. Step 3: Cross multiply
    4,507.67x = 6,220.16 × 2,619.21
  4. Step 4: Simplify right side
    4,507.67x = 16,291,925.33
  5. Step 5: Solve for x
    x = 16,291,925.33/4,507.67
  6. Step 6: Final answer
    x = 3,614.27

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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.