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Finding the Fourth Proportional to 9,567.62, 14,349.81 and 2,640.50

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Solution

The fourth proportional to 9,567.62, 14,349.81 and 2,640.50 is: 3,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,567.62 : 14,349.81 = 2,640.50 : x
  2. Step 2: Convert to fraction form
    9,567.62/14,349.81 = 2,640.50/x
  3. Step 3: Cross multiply
    9,567.62x = 14,349.81 × 2,640.50
  4. Step 4: Simplify right side
    9,567.62x = 37,890,673.31
  5. Step 5: Solve for x
    x = 37,890,673.31/9,567.62
  6. Step 6: Final answer
    x = 3,960.30

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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.