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Finding the Fourth Proportional to 2,874.99, 3,966.51 and 1,755.54

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Solution

The fourth proportional to 2,874.99, 3,966.51 and 1,755.54 is: 2,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.99 : 3,966.51 = 1,755.54 : x
  2. Step 2: Convert to fraction form
    2,874.99/3,966.51 = 1,755.54/x
  3. Step 3: Cross multiply
    2,874.99x = 3,966.51 × 1,755.54
  4. Step 4: Simplify right side
    2,874.99x = 6,963,366.97
  5. Step 5: Solve for x
    x = 6,963,366.97/2,874.99
  6. Step 6: Final answer
    x = 2,422.05

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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.