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Finding the Fourth Proportional to 13,703.96, 20,558.96 and 4,346.84

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Solution

The fourth proportional to 13,703.96, 20,558.96 and 4,346.84 is: 6,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.96 : 20,558.96 = 4,346.84 : x
  2. Step 2: Convert to fraction form
    13,703.96/20,558.96 = 4,346.84/x
  3. Step 3: Cross multiply
    13,703.96x = 20,558.96 × 4,346.84
  4. Step 4: Simplify right side
    13,703.96x = 89,366,385.16
  5. Step 5: Solve for x
    x = 89,366,385.16/13,703.96
  6. Step 6: Final answer
    x = 6,521.21

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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.