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Finding the Fourth Proportional to 5,066.69, 6,992.38 and 2,829

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Solution

The fourth proportional to 5,066.69, 6,992.38 and 2,829 is: 3,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.69 : 6,992.38 = 2,829 : x
  2. Step 2: Convert to fraction form
    5,066.69/6,992.38 = 2,829/x
  3. Step 3: Cross multiply
    5,066.69x = 6,992.38 × 2,829
  4. Step 4: Simplify right side
    5,066.69x = 19,781,443.02
  5. Step 5: Solve for x
    x = 19,781,443.02/5,066.69
  6. Step 6: Final answer
    x = 3,904.21

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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.