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Finding the Fourth Proportional to 9,576.90, 14,329.26 and 8,605.71

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Solution

The fourth proportional to 9,576.90, 14,329.26 and 8,605.71 is: 12,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,576.90 : 14,329.26 = 8,605.71 : x
  2. Step 2: Convert to fraction form
    9,576.90/14,329.26 = 8,605.71/x
  3. Step 3: Cross multiply
    9,576.90x = 14,329.26 × 8,605.71
  4. Step 4: Simplify right side
    9,576.90x = 123,313,456.07
  5. Step 5: Solve for x
    x = 123,313,456.07/9,576.90
  6. Step 6: Final answer
    x = 12,876.13

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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.