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Finding the Fourth Proportional to 1,633, 2,253.64 and 924.91

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Solution

The fourth proportional to 1,633, 2,253.64 and 924.91 is: 1,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633 : 2,253.64 = 924.91 : x
  2. Step 2: Convert to fraction form
    1,633/2,253.64 = 924.91/x
  3. Step 3: Cross multiply
    1,633x = 2,253.64 × 924.91
  4. Step 4: Simplify right side
    1,633x = 2,084,414.17
  5. Step 5: Solve for x
    x = 2,084,414.17/1,633
  6. Step 6: Final answer
    x = 1,276.43

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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.