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Finding the Fourth Proportional to 10,494.99, 15,743.03 and 2,703.87

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Solution

The fourth proportional to 10,494.99, 15,743.03 and 2,703.87 is: 4,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,494.99 : 15,743.03 = 2,703.87 : x
  2. Step 2: Convert to fraction form
    10,494.99/15,743.03 = 2,703.87/x
  3. Step 3: Cross multiply
    10,494.99x = 15,743.03 × 2,703.87
  4. Step 4: Simplify right side
    10,494.99x = 42,567,093.01
  5. Step 5: Solve for x
    x = 42,567,093.01/10,494.99
  6. Step 6: Final answer
    x = 4,055.94

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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.