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Finding the Fourth Proportional to 5,102.86, 7,653.03 and 1,404.91

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Solution

The fourth proportional to 5,102.86, 7,653.03 and 1,404.91 is: 2,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.86 : 7,653.03 = 1,404.91 : x
  2. Step 2: Convert to fraction form
    5,102.86/7,653.03 = 1,404.91/x
  3. Step 3: Cross multiply
    5,102.86x = 7,653.03 × 1,404.91
  4. Step 4: Simplify right side
    5,102.86x = 10,751,818.38
  5. Step 5: Solve for x
    x = 10,751,818.38/5,102.86
  6. Step 6: Final answer
    x = 2,107.02

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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.