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Finding the Fourth Proportional to 14,255.48, 21,366.81 and 7,667.84

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Solution

The fourth proportional to 14,255.48, 21,366.81 and 7,667.84 is: 11,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.48 : 21,366.81 = 7,667.84 : x
  2. Step 2: Convert to fraction form
    14,255.48/21,366.81 = 7,667.84/x
  3. Step 3: Cross multiply
    14,255.48x = 21,366.81 × 7,667.84
  4. Step 4: Simplify right side
    14,255.48x = 163,837,333.81
  5. Step 5: Solve for x
    x = 163,837,333.81/14,255.48
  6. Step 6: Final answer
    x = 11,492.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.