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Finding the Fourth Proportional to 9,302.41, 12,799.24 and 8,039.42

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Solution

The fourth proportional to 9,302.41, 12,799.24 and 8,039.42 is: 11,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,302.41 : 12,799.24 = 8,039.42 : x
  2. Step 2: Convert to fraction form
    9,302.41/12,799.24 = 8,039.42/x
  3. Step 3: Cross multiply
    9,302.41x = 12,799.24 × 8,039.42
  4. Step 4: Simplify right side
    9,302.41x = 102,898,466.04
  5. Step 5: Solve for x
    x = 102,898,466.04/9,302.41
  6. Step 6: Final answer
    x = 11,061.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.