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Finding the Fourth Proportional to 5,110.11, 7,661.07 and 4,700.07

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Solution

The fourth proportional to 5,110.11, 7,661.07 and 4,700.07 is: 7,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.11 : 7,661.07 = 4,700.07 : x
  2. Step 2: Convert to fraction form
    5,110.11/7,661.07 = 4,700.07/x
  3. Step 3: Cross multiply
    5,110.11x = 7,661.07 × 4,700.07
  4. Step 4: Simplify right side
    5,110.11x = 36,007,565.27
  5. Step 5: Solve for x
    x = 36,007,565.27/5,110.11
  6. Step 6: Final answer
    x = 7,046.34

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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.