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Finding the Fourth Proportional to 14,034.65, 21,051.79 and 4,039.64

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Solution

The fourth proportional to 14,034.65, 21,051.79 and 4,039.64 is: 6,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,034.65 : 21,051.79 = 4,039.64 : x
  2. Step 2: Convert to fraction form
    14,034.65/21,051.79 = 4,039.64/x
  3. Step 3: Cross multiply
    14,034.65x = 21,051.79 × 4,039.64
  4. Step 4: Simplify right side
    14,034.65x = 85,041,652.96
  5. Step 5: Solve for x
    x = 85,041,652.96/14,034.65
  6. Step 6: Final answer
    x = 6,059.41

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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.