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Finding the Fourth Proportional to 10,667.57, 16,003.17 and 4,746.60

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Solution

The fourth proportional to 10,667.57, 16,003.17 and 4,746.60 is: 7,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.57 : 16,003.17 = 4,746.60 : x
  2. Step 2: Convert to fraction form
    10,667.57/16,003.17 = 4,746.60/x
  3. Step 3: Cross multiply
    10,667.57x = 16,003.17 × 4,746.60
  4. Step 4: Simplify right side
    10,667.57x = 75,960,646.72
  5. Step 5: Solve for x
    x = 75,960,646.72/10,667.57
  6. Step 6: Final answer
    x = 7,120.71

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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.