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Finding the Fourth Proportional to 28,991.82, 43,474.83 and 14,006.32

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Solution

The fourth proportional to 28,991.82, 43,474.83 and 14,006.32 is: 21,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.82 : 43,474.83 = 14,006.32 : x
  2. Step 2: Convert to fraction form
    28,991.82/43,474.83 = 14,006.32/x
  3. Step 3: Cross multiply
    28,991.82x = 43,474.83 × 14,006.32
  4. Step 4: Simplify right side
    28,991.82x = 608,922,219.71
  5. Step 5: Solve for x
    x = 608,922,219.71/28,991.82
  6. Step 6: Final answer
    x = 21,003.24

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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.