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Finding the Fourth Proportional to 3,579.84, 5,366.12 and 3,264.57

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Solution

The fourth proportional to 3,579.84, 5,366.12 and 3,264.57 is: 4,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.84 : 5,366.12 = 3,264.57 : x
  2. Step 2: Convert to fraction form
    3,579.84/5,366.12 = 3,264.57/x
  3. Step 3: Cross multiply
    3,579.84x = 5,366.12 × 3,264.57
  4. Step 4: Simplify right side
    3,579.84x = 17,518,058.05
  5. Step 5: Solve for x
    x = 17,518,058.05/3,579.84
  6. Step 6: Final answer
    x = 4,893.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.