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Finding the Fourth Proportional to 1,164.84, 1,607.48 and 633.73

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Solution

The fourth proportional to 1,164.84, 1,607.48 and 633.73 is: 874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.84 : 1,607.48 = 633.73 : x
  2. Step 2: Convert to fraction form
    1,164.84/1,607.48 = 633.73/x
  3. Step 3: Cross multiply
    1,164.84x = 1,607.48 × 633.73
  4. Step 4: Simplify right side
    1,164.84x = 1,018,705.87
  5. Step 5: Solve for x
    x = 1,018,705.87/1,164.84
  6. Step 6: Final answer
    x = 874.55

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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.