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Finding the Fourth Proportional to 5,631.34, 8,447.13 and 1,735.75

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Solution

The fourth proportional to 5,631.34, 8,447.13 and 1,735.75 is: 2,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.34 : 8,447.13 = 1,735.75 : x
  2. Step 2: Convert to fraction form
    5,631.34/8,447.13 = 1,735.75/x
  3. Step 3: Cross multiply
    5,631.34x = 8,447.13 × 1,735.75
  4. Step 4: Simplify right side
    5,631.34x = 14,662,105.90
  5. Step 5: Solve for x
    x = 14,662,105.90/5,631.34
  6. Step 6: Final answer
    x = 2,603.66

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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.