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Finding the Fourth Proportional to 5,284.82, 7,293 and 2,894.81

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Solution

The fourth proportional to 5,284.82, 7,293 and 2,894.81 is: 3,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.82 : 7,293 = 2,894.81 : x
  2. Step 2: Convert to fraction form
    5,284.82/7,293 = 2,894.81/x
  3. Step 3: Cross multiply
    5,284.82x = 7,293 × 2,894.81
  4. Step 4: Simplify right side
    5,284.82x = 21,111,849.33
  5. Step 5: Solve for x
    x = 21,111,849.33/5,284.82
  6. Step 6: Final answer
    x = 3,994.81

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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.