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Finding the Fourth Proportional to 14,703.72, 22,055.94 and 4,315.80

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Solution

The fourth proportional to 14,703.72, 22,055.94 and 4,315.80 is: 6,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.72 : 22,055.94 = 4,315.80 : x
  2. Step 2: Convert to fraction form
    14,703.72/22,055.94 = 4,315.80/x
  3. Step 3: Cross multiply
    14,703.72x = 22,055.94 × 4,315.80
  4. Step 4: Simplify right side
    14,703.72x = 95,189,025.85
  5. Step 5: Solve for x
    x = 95,189,025.85/14,703.72
  6. Step 6: Final answer
    x = 6,473.81

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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.