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Finding the Fourth Proportional to 3,351.69, 4,992.13 and 3,176.05

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Solution

The fourth proportional to 3,351.69, 4,992.13 and 3,176.05 is: 4,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.69 : 4,992.13 = 3,176.05 : x
  2. Step 2: Convert to fraction form
    3,351.69/4,992.13 = 3,176.05/x
  3. Step 3: Cross multiply
    3,351.69x = 4,992.13 × 3,176.05
  4. Step 4: Simplify right side
    3,351.69x = 15,855,248.32
  5. Step 5: Solve for x
    x = 15,855,248.32/3,351.69
  6. Step 6: Final answer
    x = 4,730.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.