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Finding the Fourth Proportional to 3,759.84, 5,608.02 and 3,543.06

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Solution

The fourth proportional to 3,759.84, 5,608.02 and 3,543.06 is: 5,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.84 : 5,608.02 = 3,543.06 : x
  2. Step 2: Convert to fraction form
    3,759.84/5,608.02 = 3,543.06/x
  3. Step 3: Cross multiply
    3,759.84x = 5,608.02 × 3,543.06
  4. Step 4: Simplify right side
    3,759.84x = 19,869,551.34
  5. Step 5: Solve for x
    x = 19,869,551.34/3,759.84
  6. Step 6: Final answer
    x = 5,284.68

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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.