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Finding the Fourth Proportional to 6,539.84, 9,022.68 and 3,706.88

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Solution

The fourth proportional to 6,539.84, 9,022.68 and 3,706.88 is: 5,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.84 : 9,022.68 = 3,706.88 : x
  2. Step 2: Convert to fraction form
    6,539.84/9,022.68 = 3,706.88/x
  3. Step 3: Cross multiply
    6,539.84x = 9,022.68 × 3,706.88
  4. Step 4: Simplify right side
    6,539.84x = 33,445,992.04
  5. Step 5: Solve for x
    x = 33,445,992.04/6,539.84
  6. Step 6: Final answer
    x = 5,114.19

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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.