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Finding the Fourth Proportional to 3,539.42, 5,283.22 and 3,282.42

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Solution

The fourth proportional to 3,539.42, 5,283.22 and 3,282.42 is: 4,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.42 : 5,283.22 = 3,282.42 : x
  2. Step 2: Convert to fraction form
    3,539.42/5,283.22 = 3,282.42/x
  3. Step 3: Cross multiply
    3,539.42x = 5,283.22 × 3,282.42
  4. Step 4: Simplify right side
    3,539.42x = 17,341,746.99
  5. Step 5: Solve for x
    x = 17,341,746.99/3,539.42
  6. Step 6: Final answer
    x = 4,899.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.