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Finding the Fourth Proportional to 2,661.80, 3,673.14 and 1,482.96

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Solution

The fourth proportional to 2,661.80, 3,673.14 and 1,482.96 is: 2,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.80 : 3,673.14 = 1,482.96 : x
  2. Step 2: Convert to fraction form
    2,661.80/3,673.14 = 1,482.96/x
  3. Step 3: Cross multiply
    2,661.80x = 3,673.14 × 1,482.96
  4. Step 4: Simplify right side
    2,661.80x = 5,447,119.69
  5. Step 5: Solve for x
    x = 5,447,119.69/2,661.80
  6. Step 6: Final answer
    x = 2,046.40

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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.