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Finding the Fourth Proportional to 2,457.66, 3,687.74 and 1,533

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Solution

The fourth proportional to 2,457.66, 3,687.74 and 1,533 is: 2,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.66 : 3,687.74 = 1,533 : x
  2. Step 2: Convert to fraction form
    2,457.66/3,687.74 = 1,533/x
  3. Step 3: Cross multiply
    2,457.66x = 3,687.74 × 1,533
  4. Step 4: Simplify right side
    2,457.66x = 5,653,305.42
  5. Step 5: Solve for x
    x = 5,653,305.42/2,457.66
  6. Step 6: Final answer
    x = 2,300.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.