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Finding the Fourth Proportional to 4,786.07, 6,605.10 and 2,661.75

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Solution

The fourth proportional to 4,786.07, 6,605.10 and 2,661.75 is: 3,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.07 : 6,605.10 = 2,661.75 : x
  2. Step 2: Convert to fraction form
    4,786.07/6,605.10 = 2,661.75/x
  3. Step 3: Cross multiply
    4,786.07x = 6,605.10 × 2,661.75
  4. Step 4: Simplify right side
    4,786.07x = 17,581,124.93
  5. Step 5: Solve for x
    x = 17,581,124.93/4,786.07
  6. Step 6: Final answer
    x = 3,673.40

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1.5x scale

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.