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Finding the Fourth Proportional to 9,960.33, 14,999.79 and 8,677.29

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Solution

The fourth proportional to 9,960.33, 14,999.79 and 8,677.29 is: 13,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.33 : 14,999.79 = 8,677.29 : x
  2. Step 2: Convert to fraction form
    9,960.33/14,999.79 = 8,677.29/x
  3. Step 3: Cross multiply
    9,960.33x = 14,999.79 × 8,677.29
  4. Step 4: Simplify right side
    9,960.33x = 130,157,527.77
  5. Step 5: Solve for x
    x = 130,157,527.77/9,960.33
  6. Step 6: Final answer
    x = 13,067.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.