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Finding the Fourth Proportional to 5,881.04, 8,821.92 and 1,930.80

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Solution

The fourth proportional to 5,881.04, 8,821.92 and 1,930.80 is: 2,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.04 : 8,821.92 = 1,930.80 : x
  2. Step 2: Convert to fraction form
    5,881.04/8,821.92 = 1,930.80/x
  3. Step 3: Cross multiply
    5,881.04x = 8,821.92 × 1,930.80
  4. Step 4: Simplify right side
    5,881.04x = 17,033,363.14
  5. Step 5: Solve for x
    x = 17,033,363.14/5,881.04
  6. Step 6: Final answer
    x = 2,896.32

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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.