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Finding the Fourth Proportional to 3,608.97, 4,981.59 and 2,559.21

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Solution

The fourth proportional to 3,608.97, 4,981.59 and 2,559.21 is: 3,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.97 : 4,981.59 = 2,559.21 : x
  2. Step 2: Convert to fraction form
    3,608.97/4,981.59 = 2,559.21/x
  3. Step 3: Cross multiply
    3,608.97x = 4,981.59 × 2,559.21
  4. Step 4: Simplify right side
    3,608.97x = 12,748,934.94
  5. Step 5: Solve for x
    x = 12,748,934.94/3,608.97
  6. Step 6: Final answer
    x = 3,532.57

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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.