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Finding the Fourth Proportional to 9,761.31, 14,609.16 and 8,952.12

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Solution

The fourth proportional to 9,761.31, 14,609.16 and 8,952.12 is: 13,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.31 : 14,609.16 = 8,952.12 : x
  2. Step 2: Convert to fraction form
    9,761.31/14,609.16 = 8,952.12/x
  3. Step 3: Cross multiply
    9,761.31x = 14,609.16 × 8,952.12
  4. Step 4: Simplify right side
    9,761.31x = 130,782,953.42
  5. Step 5: Solve for x
    x = 130,782,953.42/9,761.31
  6. Step 6: Final answer
    x = 13,398.09

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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.