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Finding the Fourth Proportional to 14,341.98, 21,513 and 3,954.54

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Solution

The fourth proportional to 14,341.98, 21,513 and 3,954.54 is: 5,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.98 : 21,513 = 3,954.54 : x
  2. Step 2: Convert to fraction form
    14,341.98/21,513 = 3,954.54/x
  3. Step 3: Cross multiply
    14,341.98x = 21,513 × 3,954.54
  4. Step 4: Simplify right side
    14,341.98x = 85,074,019.02
  5. Step 5: Solve for x
    x = 85,074,019.02/14,341.98
  6. Step 6: Final answer
    x = 5,931.82

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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.