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Finding the Fourth Proportional to 9,667.64, 14,506.30 and 7,207.40

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Solution

The fourth proportional to 9,667.64, 14,506.30 and 7,207.40 is: 10,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,667.64 : 14,506.30 = 7,207.40 : x
  2. Step 2: Convert to fraction form
    9,667.64/14,506.30 = 7,207.40/x
  3. Step 3: Cross multiply
    9,667.64x = 14,506.30 × 7,207.40
  4. Step 4: Simplify right side
    9,667.64x = 104,552,706.62
  5. Step 5: Solve for x
    x = 104,552,706.62/9,667.64
  6. Step 6: Final answer
    x = 10,814.71

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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.