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Finding the Fourth Proportional to 10,330.92, 14,257.98 and 5,855.40

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Solution

The fourth proportional to 10,330.92, 14,257.98 and 5,855.40 is: 8,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.92 : 14,257.98 = 5,855.40 : x
  2. Step 2: Convert to fraction form
    10,330.92/14,257.98 = 5,855.40/x
  3. Step 3: Cross multiply
    10,330.92x = 14,257.98 × 5,855.40
  4. Step 4: Simplify right side
    10,330.92x = 83,486,176.09
  5. Step 5: Solve for x
    x = 83,486,176.09/10,330.92
  6. Step 6: Final answer
    x = 8,081.19

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