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Finding the Fourth Proportional to 5,842.16, 8,763.38 and 1,946.88

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Solution

The fourth proportional to 5,842.16, 8,763.38 and 1,946.88 is: 2,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.16 : 8,763.38 = 1,946.88 : x
  2. Step 2: Convert to fraction form
    5,842.16/8,763.38 = 1,946.88/x
  3. Step 3: Cross multiply
    5,842.16x = 8,763.38 × 1,946.88
  4. Step 4: Simplify right side
    5,842.16x = 17,061,249.25
  5. Step 5: Solve for x
    x = 17,061,249.25/5,842.16
  6. Step 6: Final answer
    x = 2,920.37

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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.