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Finding the Fourth Proportional to 5,607.37, 8,412.37 and 3,143.89

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Solution

The fourth proportional to 5,607.37, 8,412.37 and 3,143.89 is: 4,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.37 : 8,412.37 = 3,143.89 : x
  2. Step 2: Convert to fraction form
    5,607.37/8,412.37 = 3,143.89/x
  3. Step 3: Cross multiply
    5,607.37x = 8,412.37 × 3,143.89
  4. Step 4: Simplify right side
    5,607.37x = 26,447,537.03
  5. Step 5: Solve for x
    x = 26,447,537.03/5,607.37
  6. Step 6: Final answer
    x = 4,716.57

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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.