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Finding the Fourth Proportional to 2,544.66, 3,512.70 and 1,661.76

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Solution

The fourth proportional to 2,544.66, 3,512.70 and 1,661.76 is: 2,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.66 : 3,512.70 = 1,661.76 : x
  2. Step 2: Convert to fraction form
    2,544.66/3,512.70 = 1,661.76/x
  3. Step 3: Cross multiply
    2,544.66x = 3,512.70 × 1,661.76
  4. Step 4: Simplify right side
    2,544.66x = 5,837,264.35
  5. Step 5: Solve for x
    x = 5,837,264.35/2,544.66
  6. Step 6: Final answer
    x = 2,293.93

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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.