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Finding the Fourth Proportional to 6,761.90, 9,328.94 and 4,244.10

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Solution

The fourth proportional to 6,761.90, 9,328.94 and 4,244.10 is: 5,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.90 : 9,328.94 = 4,244.10 : x
  2. Step 2: Convert to fraction form
    6,761.90/9,328.94 = 4,244.10/x
  3. Step 3: Cross multiply
    6,761.90x = 9,328.94 × 4,244.10
  4. Step 4: Simplify right side
    6,761.90x = 39,592,954.25
  5. Step 5: Solve for x
    x = 39,592,954.25/6,761.90
  6. Step 6: Final answer
    x = 5,855.30

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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.