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Finding the Fourth Proportional to 43,956.81, 65,888.73 and 14,366.70

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Solution

The fourth proportional to 43,956.81, 65,888.73 and 14,366.70 is: 21,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,956.81 : 65,888.73 = 14,366.70 : x
  2. Step 2: Convert to fraction form
    43,956.81/65,888.73 = 14,366.70/x
  3. Step 3: Cross multiply
    43,956.81x = 65,888.73 × 14,366.70
  4. Step 4: Simplify right side
    43,956.81x = 946,603,617.29
  5. Step 5: Solve for x
    x = 946,603,617.29/43,956.81
  6. Step 6: Final answer
    x = 21,534.86

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Why These Related Problems?

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