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Finding the Fourth Proportional to 10,953.65, 16,435.19 and 3,560.38

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Solution

The fourth proportional to 10,953.65, 16,435.19 and 3,560.38 is: 5,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.65 : 16,435.19 = 3,560.38 : x
  2. Step 2: Convert to fraction form
    10,953.65/16,435.19 = 3,560.38/x
  3. Step 3: Cross multiply
    10,953.65x = 16,435.19 × 3,560.38
  4. Step 4: Simplify right side
    10,953.65x = 58,515,521.77
  5. Step 5: Solve for x
    x = 58,515,521.77/10,953.65
  6. Step 6: Final answer
    x = 5,342.10

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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.