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Finding the Fourth Proportional to 5,684.23, 8,515 and 4,516.21

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Solution

The fourth proportional to 5,684.23, 8,515 and 4,516.21 is: 6,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684.23 : 8,515 = 4,516.21 : x
  2. Step 2: Convert to fraction form
    5,684.23/8,515 = 4,516.21/x
  3. Step 3: Cross multiply
    5,684.23x = 8,515 × 4,516.21
  4. Step 4: Simplify right side
    5,684.23x = 38,455,528.15
  5. Step 5: Solve for x
    x = 38,455,528.15/5,684.23
  6. Step 6: Final answer
    x = 6,765.30

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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.