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Finding the Fourth Proportional to 2,661.79, 3,672.93 and 1,482.70

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Solution

The fourth proportional to 2,661.79, 3,672.93 and 1,482.70 is: 2,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.79 : 3,672.93 = 1,482.70 : x
  2. Step 2: Convert to fraction form
    2,661.79/3,672.93 = 1,482.70/x
  3. Step 3: Cross multiply
    2,661.79x = 3,672.93 × 1,482.70
  4. Step 4: Simplify right side
    2,661.79x = 5,445,853.31
  5. Step 5: Solve for x
    x = 5,445,853.31/2,661.79
  6. Step 6: Final answer
    x = 2,045.94

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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.