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Finding the Fourth Proportional to 19,608.65, 27,059.18 and 10,655.96

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Solution

The fourth proportional to 19,608.65, 27,059.18 and 10,655.96 is: 14,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.65 : 27,059.18 = 10,655.96 : x
  2. Step 2: Convert to fraction form
    19,608.65/27,059.18 = 10,655.96/x
  3. Step 3: Cross multiply
    19,608.65x = 27,059.18 × 10,655.96
  4. Step 4: Simplify right side
    19,608.65x = 288,341,411.08
  5. Step 5: Solve for x
    x = 288,341,411.08/19,608.65
  6. Step 6: Final answer
    x = 14,704.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.