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Finding the Fourth Proportional to 5,673.96, 8,503.08 and 2,160.36

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Solution

The fourth proportional to 5,673.96, 8,503.08 and 2,160.36 is: 3,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.96 : 8,503.08 = 2,160.36 : x
  2. Step 2: Convert to fraction form
    5,673.96/8,503.08 = 2,160.36/x
  3. Step 3: Cross multiply
    5,673.96x = 8,503.08 × 2,160.36
  4. Step 4: Simplify right side
    5,673.96x = 18,369,713.91
  5. Step 5: Solve for x
    x = 18,369,713.91/5,673.96
  6. Step 6: Final answer
    x = 3,237.55

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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.