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Finding the Fourth Proportional to 2,661.12, 3,672.24 and 1,482.08

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Solution

The fourth proportional to 2,661.12, 3,672.24 and 1,482.08 is: 2,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.12 : 3,672.24 = 1,482.08 : x
  2. Step 2: Convert to fraction form
    2,661.12/3,672.24 = 1,482.08/x
  3. Step 3: Cross multiply
    2,661.12x = 3,672.24 × 1,482.08
  4. Step 4: Simplify right side
    2,661.12x = 5,442,553.46
  5. Step 5: Solve for x
    x = 5,442,553.46/2,661.12
  6. Step 6: Final answer
    x = 2,045.21

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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.