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Finding the Fourth Proportional to 14,529.18, 21,790.53 and 5,761.74

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Solution

The fourth proportional to 14,529.18, 21,790.53 and 5,761.74 is: 8,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.18 : 21,790.53 = 5,761.74 : x
  2. Step 2: Convert to fraction form
    14,529.18/21,790.53 = 5,761.74/x
  3. Step 3: Cross multiply
    14,529.18x = 21,790.53 × 5,761.74
  4. Step 4: Simplify right side
    14,529.18x = 125,551,368.32
  5. Step 5: Solve for x
    x = 125,551,368.32/14,529.18
  6. Step 6: Final answer
    x = 8,641.33

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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.