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Finding the Fourth Proportional to 2,482.66, 3,425.20 and 1,537.47

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Solution

The fourth proportional to 2,482.66, 3,425.20 and 1,537.47 is: 2,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.66 : 3,425.20 = 1,537.47 : x
  2. Step 2: Convert to fraction form
    2,482.66/3,425.20 = 1,537.47/x
  3. Step 3: Cross multiply
    2,482.66x = 3,425.20 × 1,537.47
  4. Step 4: Simplify right side
    2,482.66x = 5,266,142.24
  5. Step 5: Solve for x
    x = 5,266,142.24/2,482.66
  6. Step 6: Final answer
    x = 2,121.17

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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.