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Finding the Fourth Proportional to 4,572.84, 6,860.94 and 1,940.92

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Solution

The fourth proportional to 4,572.84, 6,860.94 and 1,940.92 is: 2,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.84 : 6,860.94 = 1,940.92 : x
  2. Step 2: Convert to fraction form
    4,572.84/6,860.94 = 1,940.92/x
  3. Step 3: Cross multiply
    4,572.84x = 6,860.94 × 1,940.92
  4. Step 4: Simplify right side
    4,572.84x = 13,316,535.66
  5. Step 5: Solve for x
    x = 13,316,535.66/4,572.84
  6. Step 6: Final answer
    x = 2,912.09

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1.5x scale

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.