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Finding the Fourth Proportional to 43,650.63, 65,471.68 and 14,089.68

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Solution

The fourth proportional to 43,650.63, 65,471.68 and 14,089.68 is: 21,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,650.63 : 65,471.68 = 14,089.68 : x
  2. Step 2: Convert to fraction form
    43,650.63/65,471.68 = 14,089.68/x
  3. Step 3: Cross multiply
    43,650.63x = 65,471.68 × 14,089.68
  4. Step 4: Simplify right side
    43,650.63x = 922,475,020.26
  5. Step 5: Solve for x
    x = 922,475,020.26/43,650.63
  6. Step 6: Final answer
    x = 21,133.14

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1.5x scale

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.